Boardman, F., Cavender, N., & Kahane, H. (2018). Logic and contemporary rhetoric: The use of reason in everyday life (Thirteenth edition.). Cengage.
Chicago-viite (17. p.)Boardman, Frank, Nancy Cavender, ja Howard Kahane. Logic and Contemporary Rhetoric: The Use of Reason in Everyday Life. Thirteenth edition. Boston, Massachusetts: Cengage, 2018.
MLA-viite (9. p.)Boardman, Frank, et al. Logic and Contemporary Rhetoric: The Use of Reason in Everyday Life. Thirteenth edition. Cengage, 2018.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.