APA (7e ed.) Bronvermelding

Ries, A., & Ries, L. (1998). The 22 immutable laws of branding: How to build a product or service into a world-class brand. Harper Collins.

Chicago (17e ed.) Bronvermelding

Ries, Al, en Laura Ries. The 22 Immutable Laws of Branding: How to Build a Product or Service into a World-class Brand. New York: Harper Collins, 1998.

MLA (9e ed.) Bronvermelding

Ries, Al, en Laura Ries. The 22 Immutable Laws of Branding: How to Build a Product or Service into a World-class Brand. Harper Collins, 1998.