APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.