Berrien, F. K. (1968). General and social systems. Rutgers University Press.
Čikaški stil citiranja (17. izdanje)Berrien, Frederick Kenneth. General and Social Systems. New Brunswick, N.J: Rutgers University Press, 1968.
MLA način citiranja (9. izdanje)Berrien, Frederick Kenneth. General and Social Systems. Rutgers University Press, 1968.
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