Davidaff, L. (1981). Introduction to psychology (2.nd ed.). McGraw-Hill International.
Chicago Style aipamenaDavidaff, Linda. Introduction to Psychology. 2.nd ed. McGraw-Hill International, 1981.
MLA aipamenaDavidaff, Linda. Introduction to Psychology. 2.nd ed. McGraw-Hill International, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.