Lua APA (7ú heag.)

Hendrix, J. A. (2004). Public relations cases. Thomson Learning.

Lua i Stíl Chicago (17ú heag.)

Hendrix, Jerry A. Public Relations Cases. Thomson Learning, 2004.

Lua MLA (8ú heag.)

Hendrix, Jerry A. Public Relations Cases. Thomson Learning, 2004.

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