Gigch, J. P. V. (1974). Applied general systems theory. Harper &Row publishers.
Chicago Edition CitationGigch, John P. Van. Applied General Systems Theory. london: Harper &Row publishers, 1974.
MLA引文Gigch, John P. Van. Applied General Systems Theory. Harper &Row publishers, 1974.
警告:這些引文格式不一定是100%准確.