APA引文

Ries, A. (2001). Positioning. Tata McGraw-Hill.

芝加哥风格引文

Ries, Al. Positioning. New Delhi: Tata McGraw-Hill, 2001.

MLA引文

Ries, Al. Positioning. Tata McGraw-Hill, 2001.

警告：这些引文格式不一定是100％准确.