Lua APA (7ú heag.)

Murphy, H. (1997). Effective business communications (7th.). McGraw Hill Co.

Lua i Stíl Chicago (17ú heag.)

Murphy, H. Effective Business Communications. 7th. New York: McGraw Hill Co, 1997.

Lua MLA (9ú heag.)

Murphy, H. Effective Business Communications. 7th. McGraw Hill Co, 1997.

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