APA引文

Black, S. (1991). Practical public relations (4th ed.). Universal Book stall.

Chicago Edition Citation

Black, Sam. Practical Public Relations. 4th ed. New delhi: Universal Book stall, 1991.

MLA引文

Black, Sam. Practical Public Relations. 4th ed. Universal Book stall, 1991.

警告：這些引文格式不一定是100％准確.