@book{62293,
	author = {Denton, D. Keith and Asel S.A.},
	title = {Calidad en el servicio a los clientes },
	publisher = { : Díaz de Santos },
	year = { , 1991},
	address = {España},
	note = {Título original: Quality Service: How America's top companies are competing  in the customer-service revolution- and how you can too}
}