Van Ggch, J. P. (1974). Applied general system theory. Harper and row.
シカゴスタイル引用形Van Ggch, John P. Applied General System Theory. NewYork: Harper and row, 1974.
MLA引用形式Van Ggch, John P. Applied General System Theory. Harper and row, 1974.
警告: この引用は必ずしも正確ではありません.