Dyfyniad APA

Douglas, T. (1983). Groups: Understanding-- together. Tavistick.

Dyfyniad Arddull Chicago

Douglas, Tom. Groups: Understanding-- Together. London: Tavistick, 1983.

Dyfyniad MLA

Douglas, Tom. Groups: Understanding-- Together. Tavistick, 1983.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.