@book{16134,
	author = {Buskirk, Richard Hobart, and Urizar, Fernando,},
	title = {Principios y práctica de marketing /},
	publisher = {Deusto },
	year = {1970},
	series = {Colección clásicos de gestión.},
	address = {Bilbao },
	edition = {6a ed.}
}