Blumnethal, R. L. (1972). The practice of public relations. Macmillan.
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Chicago Style (17th ed.) Citation
Blumnethal, Roy L. The Practice of Public Relations. New York: Macmillan, 1972.
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MLA引文
Blumnethal, Roy L. The Practice of Public Relations. Macmillan, 1972.
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警告：這些引文格式不一定是100％准確.