Crooks, R. L. (1991). Psychology: Science, behavior, and life (2nd ed.). Holt, Rinehart and Winston.
Cita Chicago Style (17a ed.)Crooks, Robert L. Psychology: Science, Behavior, and Life. 2nd ed. Chicago: Holt, Rinehart and Winston, 1991.
Cita MLA (9a ed.)Crooks, Robert L. Psychology: Science, Behavior, and Life. 2nd ed. Holt, Rinehart and Winston, 1991.
Precaución: Estas citas no son 100% exactas.