Reichheld, F. F., & Teal, T. (2001). The loyalty effect: The hidden force behind growth, profits, and lasting value. Harvard Business School Press.
シカゴスタイル引用形Reichheld, Frederick F., , Thomas Teal. The Loyalty Effect: The Hidden Force Behind Growth, Profits, and Lasting Value. Boston, Mass.: Harvard Business School Press, 2001.
MLA引用形式Reichheld, Frederick F., , Thomas Teal. The Loyalty Effect: The Hidden Force Behind Growth, Profits, and Lasting Value. Harvard Business School Press, 2001.
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