Lua APA (7ú heag.)

Paul, R., & Elder, L. (2006). Critical Thinking: Learn the tools the best thinkers use. Pearson International.

Lua i Stíl Chicago (17ú heag.)

Paul, Richard, agus Linda Elder. Critical Thinking: Learn the Tools the Best Thinkers Use. New Jersey: Pearson International, 2006.

Lua MLA (9ú heag.)

Paul, Richard, agus Linda Elder. Critical Thinking: Learn the Tools the Best Thinkers Use. Pearson International, 2006.

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