APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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