Rudinow, J., & Barry, V. E. (2008). Invitation to critical thinking (6th ed.). Thomson Wadsworth.
Lua i Stíl Chicago (17ú heag.)Rudinow, Joel, agus Vincent E. Barry. Invitation to Critical Thinking. 6th ed. Australia: Thomson Wadsworth, 2008.
Lua MLA (9ú heag.)Rudinow, Joel, agus Vincent E. Barry. Invitation to Critical Thinking. 6th ed. Thomson Wadsworth, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.