Johns, T. (1994). Perfect customer care: All you need to get it right first time. Arrow, Random House.
Cita Chicago Style (17a ed.)Johns, Ted. Perfect Customer Care: All You Need to Get It Right First Time. London : UK: Arrow, Random House, 1994.
Cita MLA (8a ed.)Johns, Ted. Perfect Customer Care: All You Need to Get It Right First Time. Arrow, Random House, 1994.
Precaución: Estas citas no son 100% exactas.