Reichheld, F. F., & Teal, T. (2001). The loyalty effect: The hidden force behind growth, profits, and lasting value. Harvard Business School Press.
শিকাগো স্টাইলে সাইটেশনReichheld, Frederick F., এবং Thomas Teal. The Loyalty Effect: The Hidden Force Behind Growth, Profits, and Lasting Value. Boston, Mass.: Harvard Business School Press, 2001.
এমএলএ সাইটেশনReichheld, Frederick F., এবং Thomas Teal. The Loyalty Effect: The Hidden Force Behind Growth, Profits, and Lasting Value. Harvard Business School Press, 2001.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.