APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

Ries, Al, en Jack Trout. The 22 Immutable Laws of Marketing: Violate Them at Your Own Risk. New York, NY: HarperBusiness, 1993.

MLA (8e ed.) Bronvermelding

Ries, Al, en Jack Trout. The 22 Immutable Laws of Marketing: Violate Them at Your Own Risk. HarperBusiness, 1993.

Let op: Deze citaties zijn niet altijd 100% accuraat.