Dyfyniad APA

Berrien, F. K. (1968). General and social systems. Rutgers University Press.

Dyfyniad Arddull Chicago

Berrien, Frederick Kenneth. General and Social Systems. New Brunswick, N.J: Rutgers University Press, 1968.

Dyfyniad MLA

Berrien, Frederick Kenneth. General and Social Systems. Rutgers University Press, 1968.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.