Lua APA (7ú heag.)
Rothwell Kenneth S. (1974). Questions of rhetoric and usage (2nd ed.). Little, brown and Co..
Lua i Stíl Chicago (17ú heag.)
Rothwell Kenneth S. Questions of Rhetoric and Usage. 2nd ed. Boston: Little, brown and Co., 1974.
Lua MLA (9ú heag.)
Rothwell Kenneth S. Questions of Rhetoric and Usage. 2nd ed. Little, brown and Co., 1974.
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