Arndt. Johan "Profiling Consumer Innovators" in Johan Arndt (Ed.) Insights into Consumer Behavior. (Boston: Allyn and Bacon, 1968).
2.
Baumgarten, Steven A. "The Innovative Communicator in the Decision Process", Journal of Marketing Research, 12: 12-18, 1975.
3.
Beal, George M. and Everett M. Rogers , "Information Sources in the Adoption of New Products", Journal of Home Economics, 49: 630-634, 1957.
4.
Berelson, Bernard R., Paul F. Lazarsfled and William N. McPhee , Voting, (Chicago: University of Chicago Press, 1954).
5.
Bowers, Raymond V. "Differential Intensity of Intra-Societal Diffusion", American Sociological Review. 3:21-31, 1937.
6.
Cox, Donald F. "The Audience as Communicators" in S.A. Greyser (Ed.), Toward Scientific Marketing (Chicago: American Marketing Assoc., 1964) 58-72.
7.
Cox, Donald F. and Stuart Rich, " Risk and Consumer Decision-Making", Journal of Marketing Research , 1: 32-39, 1964.
8.
Chain Robert L. "Flouridation: The Diffusion of an Innovation Among Cities" Social Forces, 44:467-475, 1966.
9.
Engel, James F., David A. Knapp and Deanne E. Knapp , "Sources of Influence in the Acceptance of New Products", in Raymond Haas (Ed.) Science, Technology and Marketing, (Chicago: American Marketing Association, 1966) 776-782.
10.
Engel, James F., Robert J. Kegerris and Roger D. Blackwell , "Consumer Use of Information in the Adoption of an Innovation", Journal of Advertising Research, 9:3-8, 1969.
11.
Fliegel, Frederick C. "Differences in Prestige Standards and Orientation to Change", Rural Sociology. 30:279-290, 1965.
12.
Hirschman, Elizabeth C. and William O. Adcock , "An Examination of Innovative Communicators, Opinion Leaders and Innovators for Men's Fashion Apparel," Advances in Consumer Research, H. Keith Hunt (Ed.) Association for Consumer Research, 5:321-325, 1978.
13.
Katz, Elihu "The Two-Step Flow of Communication: an Up-to-date Report on an Hypothesis ", Public Opinion Quarterly, 21:61-78, 1957.
14.
Katz, Elihu and Paul F. Lazarsfeld , Personal Influence, (Glencoe, Ill.: Free Press, 1955).
15.
Lanzatta, John T. and Vera Kanareff, " Information Cost, Amount of Payoff and Level of Aspiration as Determinants of Information Seeking", Behavioral Science, 7: 457-73, 1962.
16.
Lazarsfeld, Paul F., Bernard R. Berelson and Hazel Gaudet, The Peoples Choice, (New York: Columbia University Press, 1948).
17.
Lewin, Kurt, "Group Decision and Social Change", in Theodore M. Newcomb and Eugene L. Hartley (Eds.), Readings in Social Psychology, ( New York: Henry Holt, 1947).
18.
Mason, Robert G., "The Use of Information Sources in the Process of Adoption", Rural Sociology, 29:40-52, 1964.
19.
Mason, Robert G., "The Use of Information Sources by Influentials in the Adoption Process ", Public Opinion Quarterly, 27:455-66, 1963.
20.
Midgley, David G. "A Simple Mathematical Theory of Innovative Behavior", Journal of Consumer Research, 3:31-41, 1976.
21.
Rogers, Everett M. "New Product Adoption and Diffusion", Journal of Consumer Research, 2:290-301, 1976.
22.
Rogers, Everett M. and Floyd Shoemaker, Communication of Innovations, (New York: The Free Press, 1971).
23.
Ryan, Bruce and Neal C. Gross, "The Diffusion of Hybrid Seed Corn in Two Iowa Communities", Rural Sociology, 8:15-24, 1943.
24.
Summer, John O. "Generalized Change Agents and Innovativeness", Journal of Marketing Research, 8:313-18, 1971.
25.
Van denBan, Anne W. "Who are Influenced by the Agricultural Extension Service?", Landbouwkundig Tijdschrift, 65:317-327, 1953.
26.
Wilkening, Eugene A. "Roles of Communicating Agents in Technologycal Change", Social Forces, 34:361-367, 1956.