Ries, A., & Trout, J. (1993). The 22 immutable laws of marketing: Violate them at your own risk. HarperBusiness.
Style de citation Chicago (17e éd.)Ries, Al, et Jack Trout. The 22 Immutable Laws of Marketing: Violate Them at Your Own Risk. New York, NY: HarperBusiness, 1993.
Style de citation MLA (8e éd.)Ries, Al, et Jack Trout. The 22 Immutable Laws of Marketing: Violate Them at Your Own Risk. HarperBusiness, 1993.
Attention : ces citations peuvent ne pas être correctes à 100%.