Lua APA (7ú heag.)
Campbell, G., & Bitzer, L. F. (2008). The philosophy of rhetoric (2008 pbk. ed.). Southern Illinois University Press.
Lua i Stíl Chicago (17ú heag.)
Campbell, George, agus Lloyd F. Bitzer. The Philosophy of Rhetoric. 2008 pbk. ed. Carbondale: Southern Illinois University Press, 2008.
Lua MLA (9ú heag.)
Campbell, George, agus Lloyd F. Bitzer. The Philosophy of Rhetoric. 2008 pbk. ed. Southern Illinois University Press, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.