APA (7th ed.) Zitazioa
Tepper, R. (1996). Model letters and memos: A handbook for scientists and engineers. Wiley.
Chicago Style (17th ed.) Zitazioa
Tepper, Ron. Model Letters and Memos: A Handbook for Scientists and Engineers. New York: Wiley, 1996.
MLA (9th ed.) Zitazioa
Tepper, Ron. Model Letters and Memos: A Handbook for Scientists and Engineers. Wiley, 1996.
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