Saffir, L. (2000). Power public relations: How to master the new PR (2nd ed.). NTC Business Books.
Lua i Stíl Chicago (17ú heag.)Saffir, Leonard. Power Public Relations: How to Master the New PR. 2nd ed. Chicago, Ill: NTC Business Books, 2000.
Lua MLA (9ú heag.)Saffir, Leonard. Power Public Relations: How to Master the New PR. 2nd ed. NTC Business Books, 2000.
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