@book{19147,
	author = {Ortiz Velàsquez, Mauricio and Ortiz Velásquez, Mauricio, editor},
	title = {Marketing:},
	publisher = { Universidad del Norte : Ediciones de la U,},
	year = {2014},
	address = {Barranquilla, Colombia :},
	edition = {Primera edición},
	note = {Contiene índice. }
}