Liebert, R. M., & Liebert, L. L. (1998). Testing your understanding practice tests for Liebert & Spiegler's personality: Strategies and issues (8th ed. as rev. by Liebert & Libert.). Brooks/Cole.
Citación estilo ChicagoLiebert, Robert M., and Lynn Langenbach Liebert. Testing Your Understanding Practice Tests for Liebert & Spiegler's Personality: Strategies and Issues. 8th ed. as rev. by Liebert & Libert. Pacific Grove, Calif: Brooks/Cole, 1998.
Cita MLALiebert, Robert M., and Lynn Langenbach Liebert. Testing Your Understanding Practice Tests for Liebert & Spiegler's Personality: Strategies and Issues. 8th ed. as rev. by Liebert & Libert. Brooks/Cole, 1998.
Warning: These citations may not always be 100% accurate.