APA-Zitierstil (7. Ausg.)

Ries, A., & Ries, A. (1993). The 22 immutable laws of marketing: Violate them at your own risk. Harper Business.

Chicago-Zitierstil (17. Ausg.)

Ries, Al, und Al Ries. The 22 Immutable Laws of Marketing: Violate Them at Your Own Risk. New York: Harper Business, 1993.

MLA-Zitierstil (9. Ausg.)

Ries, Al, und Al Ries. The 22 Immutable Laws of Marketing: Violate Them at Your Own Risk. Harper Business, 1993.