Feldman, R. S. (2005). Essentials of understanding psychology (6th ed.). McGraw-Hill.
Cita Chicago (17th ed.)Feldman, Robert S. Essentials of Understanding Psychology. 6th ed. Boston: McGraw-Hill, 2005.
Cita MLA (8th ed.)Feldman, Robert S. Essentials of Understanding Psychology. 6th ed. McGraw-Hill, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.