Gaya APA

Freud, S. (1975). Beyond the pleasure principle, Group psychology, and other works. The Standard Edition of the Complete Psychological Works. Transl.by James Strachey,in collab.with Anna Freud,assisted by Alix Strachey & Alan Tyson. Volume 18 (1920-1922) . London: London Hogarth Press.

Gaya MLA

Freud, Sigmund. "Beyond the pleasure principle, Group psychology, and other works. The Standard Edition of the Complete Psychological Works. Transl.by James Strachey,in collab.with Anna Freud,assisted by Alix Strachey & Alan Tyson. Volume 18 (1920-1922)". London: London Hogarth Press, 1975. Buku.