Stephenson, H. (1971). Handbook of public relations: The standard guide to public affairs and communications (2nd ed.). McGraw-Hill.
Trích dẫn kiểu ChicagoStephenson, Howard. Handbook of Public Relations: The Standard Guide to Public Affairs and Communications. 2nd ed. New York: McGraw-Hill, 1971.
Trích dẫn MLAStephenson, Howard. Handbook of Public Relations: The Standard Guide to Public Affairs and Communications. 2nd ed. McGraw-Hill, 1971.
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