Boardman, F., Cavender, N., & Kahane, H. (2018). Logic and contemporary rhetoric: The use of reason in everyday life (Thirteenth edition.). Cengage.
Lua i Stíl Chicago (17ú heag.)Boardman, Frank, Nancy Cavender, agus Howard Kahane. Logic and Contemporary Rhetoric: The Use of Reason in Everyday Life. Thirteenth edition. Boston, Massachusetts: Cengage, 2018.
Lua MLA (9ú heag.)Boardman, Frank, et al. Logic and Contemporary Rhetoric: The Use of Reason in Everyday Life. Thirteenth edition. Cengage, 2018.
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