Heskett, J. L. (1997). The service profit chain: How leading companies link profit and growth to loyalty, statisfaction, and value. New York: The Free Press.
Dyfyniad Arddull ChicagoHeskett, James L. The Service Profit Chain: How Leading Companies Link Profit and Growth to Loyalty, Statisfaction, and Value. New York: The Free Press, 1997.
Dyfyniad MLAHeskett, James L. The Service Profit Chain: How Leading Companies Link Profit and Growth to Loyalty, Statisfaction, and Value. New York: The Free Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.