Lahey, B. B., & Landrum, R. E. (2004). Practice tests for use with Psychology: An introduction (8th ed.). McGraw-Hill.
Cita Chicago (17th ed.)Lahey, Benjamin B., i R. Eric Landrum. Practice Tests for Use with Psychology: An Introduction. 8th ed. Boston, Mass.: McGraw-Hill, 2004.
Cita MLA (8th ed.)Lahey, Benjamin B., i R. Eric Landrum. Practice Tests for Use with Psychology: An Introduction. 8th ed. McGraw-Hill, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.