Loomis, Charles P. "Socidl Systems." D. Van Nostrand Company, 1960. Princeton, New Jersey.
2.
Moe, Edward O. "Consulting With a Community System: A Case Study," in The Journal of Social Issues, Vol. XV, No. 2, 1959, pp. 28-35. '
3.
Warren, Roland. "The Community in America." Rand McNally, Chicago1963.
4.
Honigman, John J. "The World of Man." Harper and Row, New York, 1959, pp. 146-147.
5.
The concepts of "vertical" and "horizontal" patterns of 'community systemic linkages have been adopted from Roland Warren's " The Community in America".
6.
Reference to "external" and "internal" systems is taken from George Homan's "The Human Group" (Harcourt Brace, New York, 1950).
7.
Parsons, Talcott. "The Social System," MacMillan Company, 1951.
8.
Gross, Bertram. "The State of the Nation," Social Systems Accounting" in Bauer, Raymond A.: "Social Indicators," the M.I.T. Press, Cambridge, 1966 .
9.
Long, Norton. "The Community as an Ecology of Games," American Journal of Sociology, LXIV, 1958, pp. 251-261.
10.
Ross, Murray G. "Community Organization: Theory and Principles " Harper and Brothers, New York , 1955.
11.
Merton, Robert K. "The Role Set: Problems in Sociological Theory " British Journal of Sociology, 8. 106-120.
12.
Goffman, Irving. "The Presentation of Self in Everyday Life" Edinburgh, 1956.
13.
Gouldner, A.W. "Patterns of Industrial Bureaucracy" Glenco, Illinois, 1954.