Van Gigeh, J. (1978). Applied General Systems Theory. Harper and Row.
Chicago Stili AlıntıVan Gigeh, John.P. Applied General Systems Theory. New York: Harper and Row, 1978.
MLA AlıntıVan Gigeh, John.P. Applied General Systems Theory. Harper and Row, 1978.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..