Ries, A. (1996). The 22 Immutable laws of marketing. Harper Collins Publications.
Chicago Style (17. basım) AtıfRies, AI. The 22 Immutable Laws of Marketing. New delhi: Harper Collins Publications, 1996.
MLA (9th ed.) AtıfRies, AI. The 22 Immutable Laws of Marketing. Harper Collins Publications, 1996.
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