Ries, A. (1996). The 22 Immutable laws of marketing. Harper Collins Publications.
Citación estilo ChicagoRies, AI. The 22 Immutable Laws of Marketing. New delhi: Harper Collins Publications, 1996.
Cita MLARies, AI. The 22 Immutable Laws of Marketing. Harper Collins Publications, 1996.
Warning: These citations may not always be 100% accurate.