McMAHAN, E. (1984). The Writter'srethoric Handbook Elizabeth Mcmahan And Susan Day. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)McMAHAN, Elizabeth. The Writter'srethoric Handbook Elizabeth Mcmahan And Susan Day. McGraw-Hill, 1984.
Lua MLA (8ú heag.)McMAHAN, Elizabeth. The Writter'srethoric Handbook Elizabeth Mcmahan And Susan Day. McGraw-Hill, 1984.
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