Jefkins, F. (1992). Public relations (4th ed.). Pitman Publishing.
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Citação norma Chicago
Jefkins, Frank. Public Relations. 4th ed. London: Pitman Publishing, 1992.
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Citação norma MLA
Jefkins, Frank. Public Relations. 4th ed. Pitman Publishing, 1992.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.