Dyfyniad APA

(2007). Public relations: The profession and the practice. Boston: McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

Public Relations: The Profession and the Practice. Boston: McGraw-Hill Higher Education, 2007.

Dyfyniad MLA

Public Relations: The Profession and the Practice. Boston: McGraw-Hill Higher Education, 2007.

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