Dyfyniad APA

Haywood, R. (1998). Public relations for marketing professionals. Mac Millan.

Dyfyniad Arddull Chicago

Haywood, Roger. Public Relations for Marketing Professionals. New York: Mac Millan, 1998.

Dyfyniad MLA

Haywood, Roger. Public Relations for Marketing Professionals. Mac Millan, 1998.

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