APA引文

Gigch, J. P. V. (1974). Applied general systems theory. Harper &Row publishers.

Chicago Edition Citation

Gigch, 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.