Cohen, W. A. (1995). The marketing plan. Wiley.
芝加哥风格引文Cohen, William A. The Marketing Plan. New York: Wiley, 1995.
MLA引文Cohen, William A. The Marketing Plan. Wiley, 1995.
警告：这些引文格式不一定是100％准确.
APA引文
Cohen, W. A. (1995). The marketing plan. Wiley.
芝加哥风格引文Cohen, William A. The Marketing Plan. New York: Wiley, 1995.
MLA引文Cohen, William A. The Marketing Plan. Wiley, 1995.