Lua APA (7ú heag.)

Liebert, R. .., & Spiegler,Michael.D. (1990). Personality: Strategies and issues (6th ed.). Brooks/Cole Publishing Co..

Lua i Stíl Chicago (17ú heag.)

Liebert, Robert .M, agus Spiegler,Michael.D. Personality: Strategies and Issues. 6th ed. California.: Brooks/Cole Publishing Co., 1990.

Lua MLA (9ú heag.)

Liebert, Robert .M, agus Spiegler,Michael.D. Personality: Strategies and Issues. 6th ed. Brooks/Cole Publishing Co., 1990.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.