Ries, A. (1996). The 22 Immutable laws of marketing. Harper Collins Publications.
Chicagoスタイル(17版)引用形式Ries, AI. The 22 Immutable Laws of Marketing. New delhi: Harper Collins Publications, 1996.
MLA(9版)引用形式Ries, AI. The 22 Immutable Laws of Marketing. Harper Collins Publications, 1996.
警告: この引用は必ずしも正確ではありません.