Shogan, C. J. (2007). The moral rhetoric of American Presidents. Texas A&M University Press.
Lua i Stíl Chicago (17ú heag.)Shogan, Colleen J. The Moral Rhetoric of American Presidents. College Station: Texas A&M University Press, 2007.
Lua MLA (9ú heag.)Shogan, Colleen J. The Moral Rhetoric of American Presidents. Texas A&M University Press, 2007.
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