APA引文

Ries, A. (1993). The 22 immutable laws of marketing. New York: Harper Business.

Trích dẫn kiểu Chicago

Ries, Al. The 22 Immutable Laws of Marketing. New York: Harper Business, 1993.

MLA引文

Ries, Al. The 22 Immutable Laws of Marketing. New York: Harper Business, 1993.

警告：这些引文格式不一定是100％准确.