SIMON, R. (1996). Public Relations Work Book Writing & Techniques. NTC Business Books.
Lua i Stíl Chicago (17ú heag.)SIMON, Raymond. Public Relations Work Book Writing & Techniques. NTC Business Books, 1996.
Lua MLA (8ú heag.)SIMON, Raymond. Public Relations Work Book Writing & Techniques. NTC Business Books, 1996.
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