Douglas, T. (1983). Groups: Understanding-- together. Tavistick.
Chicagoスタイル(17版)引用形式Douglas, Tom. Groups: Understanding-- Together. London: Tavistick, 1983.
MLA(9版)引用形式Douglas, Tom. Groups: Understanding-- Together. Tavistick, 1983.
警告: この引用は必ずしも正確ではありません.