Foster, T. (1997). 101 ways to boost customer satisfaction. Kogan Page.
Dyfyniad Arddull ChicagoFoster, Timothy. 101 Ways to Boost Customer Satisfaction. New Delhi: Kogan Page, 1997.
Dyfyniad MLAFoster, Timothy. 101 Ways to Boost Customer Satisfaction. Kogan Page, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.