APA (7th ed.) Zitazioa

Feldman, R. S. (1996). Understanding psychology (4th.).

Chicago Style (17th ed.) Zitazioa

Feldman, Robert S. Understanding Psychology. 4th. New York : McGraw-Hill Education, 1996.

MLA (9th ed.) Zitazioa

Feldman, Robert S. Understanding Psychology. 4th. 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.