APA aipamena

Heller, A. D. (1955). Group Therapy with Mental Defectives. Ment Health (Lond).

Chicago Style aipamena

Heller, Arthur D. "Group Therapy With Mental Defectives." Ment Health (Lond) 1955.

MLA aipamena

Heller, Arthur D. "Group Therapy With Mental Defectives." Ment Health (Lond) 1955.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.