Feldman, R. S. (2005). Understanding psychology (7th ed.). McGraw-Hill Higher Education.
Cita Chicago (17th ed.)Feldman, Robert S. Understanding Psychology. 7th ed. Boston: McGraw-Hill Higher Education, 2005.
Cita MLA (8th ed.)Feldman, Robert S. Understanding Psychology. 7th ed. McGraw-Hill Higher Education, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.