Ries, A. (2007). The 22 Immutable Laws of Marketing. Quercus Publishing Ltd.
芝加哥风格引文Ries, Al. The 22 Immutable Laws of Marketing. London: Quercus Publishing Ltd, 2007.
MLA引文Ries, Al. The 22 Immutable Laws of Marketing. Quercus Publishing Ltd, 2007.
警告：这些引文格式不一定是100％准确.