Van Gigeh, J. (1978). Applied General Systems Theory. Harper and Row.
シカゴスタイル引用形Van Gigeh, John.P. Applied General Systems Theory. New York: Harper and Row, 1978.
MLA引用形式Van Gigeh, John.P. Applied General Systems Theory. Harper and Row, 1978.
警告: この引用は必ずしも正確ではありません.