Dyfyniad APA

Treadwell, D. (2005). Public relations writing: Principles in practice (2nd.). Response.

Dyfyniad Arddull Chicago

Treadwell, Donald. Public Relations Writing: Principles in Practice. 2nd. New Delhi: Response, 2005.

Dyfyniad MLA

Treadwell, Donald. Public Relations Writing: Principles in Practice. 2nd. Response, 2005.

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