Cita APA (7a ed.)

Ries, A. (1996). The 22 Immutable laws of marketing. Harper Collins Publications.

Cita Chicago Style (17a ed.)

Ries, AI. The 22 Immutable Laws of Marketing. New delhi: Harper Collins Publications, 1996.

Cita MLA (9a ed.)

Ries, AI. The 22 Immutable Laws of Marketing. Harper Collins Publications, 1996.