Feldman, R. S. (2005). Understanding psychology (7th ed.). McGraw-Hill Higher Education.
Chicago Style aipamenaFeldman, Robert S. Understanding Psychology. 7th ed. Boston: McGraw-Hill Higher Education, 2005.
MLA aipamenaFeldman, Robert S. Understanding Psychology. 7th ed. McGraw-Hill Higher Education, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.