Feldman, R. S. (2013). Understanding Psychology Eleventh Edition. McGraw Hill.
Chicago Style aipamenaFeldman, Robert S. Understanding Psychology Eleventh Edition. McGraw Hill, 2013.
MLA aipamenaFeldman, Robert S. Understanding Psychology Eleventh Edition. McGraw Hill, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.