Freeley, A. J. (2005). Argumentation and debate. Thomson Wadsworth.
Lua i Stíl Chicago (17ú heag.)Freeley, Austin J. Argumentation and Debate. Thomson Wadsworth, 2005.
Lua MLA (8ú heag.)Freeley, Austin J. Argumentation and Debate. Thomson Wadsworth, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.