Dyfyniad APA

Van Gigch, J. P. (1974). Applied General Systems Theory. Harper and Row.

Dyfyniad Arddull Chicago

Van Gigch, John P. Applied General Systems Theory. New York: Harper and Row, 1974.

Dyfyniad MLA

Van Gigch, John P. Applied General Systems Theory. Harper and Row, 1974.

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