Dyfyniad APA

Foster, J. (2003). Effective writing skills for public relations. Crest Publishing House.

Dyfyniad Arddull Chicago

Foster, John. Effective Writing Skills for Public Relations. New Delhi: Crest Publishing House, 2003.

Dyfyniad MLA

Foster, John. Effective Writing Skills for Public Relations. Crest Publishing House, 2003.

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