@book{129146,
	author = {Kotler, Philip and Armstrong, Gary},
	title = {Marketing},
	publisher = {Pearson-Prentice Hall},
	year = {2004},
	address = {Madrid},
	edition = {10a ed.},
	note = {Apéndice 1: Cálculo y previsiónde la demanda  Apéndice 2: Resultados de markting}
}