APA (7th ed.) Zitazioa
Plotnik, R. (2002). Introduction to psychology (6th ed.). Wadsworth.
Chicago Style (17th ed.) Zitazioa
Plotnik, Rod. Introduction to Psychology. 6th ed. Pacific Grove: Wadsworth, 2002.
MLA (9th ed.) Zitazioa
Plotnik, Rod. Introduction to Psychology. 6th ed. Wadsworth, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.