APA引文

Black, S. (1978). Practical public relations (4th.). Pitman.

Chicago Style (17th ed.) Citation

Black, Sam. Practical Public Relations. 4th. London: Pitman, 1978.

MLA引文

Black, Sam. Practical Public Relations. 4th. Pitman, 1978.

警告：這些引文格式不一定是100％准確.