Lua APA (7ú heag.)

Liebert, R. M. (1993). Personality: Strategies and issues (7th.ed.). Brooks / Cole.

Lua i Stíl Chicago (17ú heag.)

Liebert, Robert M. Personality: Strategies and Issues. 7th.ed. California: Brooks / Cole, 1993.

Lua MLA (9ú heag.)

Liebert, Robert M. Personality: Strategies and Issues. 7th.ed. Brooks / Cole, 1993.

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