BIVINS, T. (1991). Handbook For Public Relations Writing Thomas Bivins. NTC Business Books.
Lua i Stíl Chicago (17ú heag.)BIVINS, Thomas. Handbook For Public Relations Writing Thomas Bivins. NTC Business Books, 1991.
Lua MLA (8ú heag.)BIVINS, Thomas. Handbook For Public Relations Writing Thomas Bivins. NTC Business Books, 1991.
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