APA aipamena

American Psychological association. (1927). Psychological abstracts. American Psychological association.

Chicago Style aipamena

American Psychological association. Psychological Abstracts. Washington DC: American Psychological association, 1927.

MLA aipamena

American Psychological association. Psychological Abstracts. American Psychological association, 1927.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.