Cita APA

Liebert, R. M., & Robert M. Liebert; Lynn Langenbach Liebert. (1998). Practice tests for Liebert & Spiegler's personality: Strategies and issues. Pacific Grove, CA: Brooks/Cole.

Chicago Style Citation

Liebert, Robert M., i Robert M. Liebert; Lynn Langenbach Liebert. Practice Tests for Liebert & Spiegler's Personality: Strategies and Issues. Pacific Grove, CA: Brooks/Cole, 1998.

Cita MLA

Liebert, Robert M., i Robert M. Liebert; Lynn Langenbach Liebert. Practice Tests for Liebert & Spiegler's Personality: Strategies and Issues. Pacific Grove, CA: Brooks/Cole, 1998.