Gootnick, D. (1984). The standard handbook of business communication. The Free Press.
Lua i Stíl Chicago (17ú heag.)Gootnick, D. The Standard Handbook of Business Communication. New York: The Free Press, 1984.
Lua MLA (9ú heag.)Gootnick, D. The Standard Handbook of Business Communication. The Free Press, 1984.
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