Dyfyniad APA

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

Dyfyniad Arddull Chicago

Gigch, John P. Van. Applied General Systems Theory. london: Harper &Row publishers, 1974.

Dyfyniad MLA

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

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