Peppers. Don ; Rogers, M. (2005). Return on Customer. Happer Business.
Chicago Style (17th ed.) CitationPeppers. Don ; Rogers, Martha. Return on Customer. New York: Happer Business, 2005.
MLA引文Peppers. Don ; Rogers, Martha. Return on Customer. Happer Business, 2005.
警告:這些引文格式不一定是100%准確.