APA aipamena

Bean, I. W. (1971). Group Practice in the 70s.

Chicago Style aipamena

Bean, Irwin W. Group Practice in the 70s. 1971.

MLA aipamena

Bean, Irwin W. Group Practice in the 70s. 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.