@book{94647,
	author = {Kotler, Philip. and Armstrong, Gary},
	title = {Marketing :},
	publisher = {Pearson educación,},
	year = {2007},
	address = {México, D.F. :},
	edition = {11 ed.},
	note = {Trad de : Principles of marketing, 11 ed. c2006}
}