APA引文

Ries , A. &. (1990). Bottom-up marketing. Penguin.

芝加哥风格引文

Ries , Al &Trout. Bottom-up Marketing. New York: Penguin, 1990.

MLA引文

Ries , Al &Trout. Bottom-up Marketing. Penguin, 1990.

警告：这些引文格式不一定是100％准确.