HOWARD WILFRED EDT. (1985). PRACTICE OF PUBLIC RELATION (2ND.). HEINEMANN.
Cita Chicago Style (17a ed.)HOWARD WILFRED EDT. PRACTICE OF PUBLIC RELATION. 2ND. LONDON: HEINEMANN, 1985.
Cita MLA (9a ed.)HOWARD WILFRED EDT. PRACTICE OF PUBLIC RELATION. 2ND. HEINEMANN, 1985.
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