Cita APA (7th ed.)

Ries, A., & Ries, L. (2002). The 22 immutable laws of branding: How to build a product or service into a world-class brand ([2nd ed.].). Harper Collins.

Cita Chicago (17th ed.)

Ries, Al, i Laura Ries. The 22 Immutable Laws of Branding: How to Build a Product or Service into a World-class Brand. [2nd ed.]. New York: Harper Collins, 2002.

Cita MLA (9th ed.)

Ries, Al, i Laura Ries. The 22 Immutable Laws of Branding: How to Build a Product or Service into a World-class Brand. [2nd ed.]. Harper Collins, 2002.