Feldman, R. S. (2008). Understanding psychology (8th ed.). McGraw-Hill Higher Education.
Chicago Style aipamenaFeldman, Robert S. Understanding Psychology. 8th ed. Boston: McGraw-Hill Higher Education, 2008.
MLA aipamenaFeldman, Robert S. Understanding Psychology. 8th ed. McGraw-Hill Higher Education, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.