Inch, E. S., & Warnick, B. (2010). Critical thinking and communication: The use of reason in argument (6th ed.). Allyn & Bacon.
Lua i Stíl Chicago (17ú heag.)Inch, Edward S., agus Barbara Warnick. Critical Thinking and Communication: The Use of Reason in Argument. 6th ed. Boston: Allyn & Bacon, 2010.
Lua MLA (9ú heag.)Inch, Edward S., agus Barbara Warnick. Critical Thinking and Communication: The Use of Reason in Argument. 6th ed. Allyn & Bacon, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.