APA (7th ed.) Zitazioa
Straub, R. O. (1995). Study guide to accompany psychology (4th. ed.). Worth.
Chicago Style (17th ed.) Zitazioa
Straub, Richard O. Study Guide to Accompany Psychology. 4th. ed. New York: Worth, 1995.
MLA (9th ed.) Zitazioa
Straub, Richard O. Study Guide to Accompany Psychology. 4th. ed. Worth, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.