Bursk, Edward C.1947, "Low-Pressure Selling." Harvard Business Review25 (Winter) 227-242.
2.
— 1956. "Thinking Ahead: Drift to No-Pressure Selling." Harvard Business Review34 (September-October) 26-32, 158-166.
3.
Caplovitz, David.1963. The Poor Pay More. New York: Free Press of Glencoe.
4.
Colley, William and Lohnes, Paul R.1971. Multivariate Data Analysis. New York : John Wiley and Sons.
5.
Crane, Etgar.1966. Marketing Communications. New York : John Wiley and Sons.
6.
Davis, Jarry L.1970. "Dimensions of Marital Roles in Consumer Decision Making ." Journal of Marketing Research7 (May) 168-177.
7.
Evans, Franklin B.1963. "Selling As a Dyadic Relationship: A New Approach." American Behavioral Scientist6 (May) 76-79.
8.
Finn, Jeremy D.1972. Multivariance: Univariate and Multivariate Analysis of Variance, Covariance, and Regression—A Fortran IV Program. Michigan: National Educational Resources, Inc.
9.
Frank, Ronald E., Massy, William F. and Wind, yoram.1972. Market Segmentation. New Jersey: Prentice Hall.
10.
Goodman, Charles S.1971. Management of The Personal Selling Function. New York: Holt, Rinehart and Winston.
11.
Kotler, Philip.1972. Marketing Management. New Jersey; Prentice Hall, Second Edition.
12.
Olshavsky, R.W.1973. ''Customer-Salesman Interaction in Appliance Retailing ." Journal of Marketing Research10 (May) 208-212.
13.
Pennington, Allen.1968. "Customer-Salesman Behavior and Retail Transactions." Journal of Marketing Research5 (August) 255-262
14.
Sharp, M. and Mott, P.1956. "Consumer Decisions in the Metropolitan Family." Journal of Marketing21 (October) 149-156.
15.
Stafford, James E. and Greer, Thomas V: 1965. "Consumer Preferences for Types of Salesmen: A Study of Independence-Dependence Characteristics." Journal of Retailing 41 Summer 27-33.
16.
Webster, Frederick E., Jr.1968. "Interpersonal Communication and Salesmen Effectiveness." Journal of Marketing33 (July) 7-13.
17.
Wise, Gordon L.1974. "Differential Pricing and Treatment of New-Car Salesmen: The Effect of the Prospect's Race, Sex, and Dress." Journal of Business47 (April) 218-230.