Lua APA (7ú heag.)
Browne, M., & Keeley, S. (1990). Asking the right questions: A guide to critical thinking (3rd ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)
Browne, M.Neil, agus Stuart.M Keeley. Asking the Right Questions: A Guide to Critical Thinking. 3rd ed. Englewood Cliffs: Prentice Hall, 1990.
Lua MLA (9ú heag.)
Browne, M.Neil, agus Stuart.M Keeley. Asking the Right Questions: A Guide to Critical Thinking. 3rd ed. Prentice Hall, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.