Ramage, J. D., & Bean, J. C. (1997). The Allyn and Bacon guide to writing. Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Ramage, John D., agus John C. Bean. The Allyn and Bacon Guide to Writing. Boston: Allyn and Bacon, 1997.
Lua MLA (9ú heag.)Ramage, John D., agus John C. Bean. The Allyn and Bacon Guide to Writing. Allyn and Bacon, 1997.
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