Feldman, R. S. (1999). Understanding psychology (5th ed.). McGraw-Hill.
Chicago Edition CitationFeldman, Robert S. Understanding Psychology. 5th ed. New York: McGraw-Hill, 1999.
Cita MLAFeldman, Robert S. Understanding Psychology. 5th ed. McGraw-Hill, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.