Friedman, H. S., & Schustack, M. W. (2006). Personality: Classic theories and modern research (3rd ed.). Pearson/Allyn and Bacon.
Cita Chicago (17th ed.)Friedman, Howard S., i Miriam W. Schustack. Personality: Classic Theories and Modern Research. 3rd ed. Boston: Pearson/Allyn and Bacon, 2006.
Cita MLA (9th ed.)Friedman, Howard S., i Miriam W. Schustack. Personality: Classic Theories and Modern Research. 3rd ed. Pearson/Allyn and Bacon, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.