@book{5975,
	author = {Dolan, Robert J. and Hassan, Adriana de },
	title = {La esencia del marketing :},
	publisher = {Grupo Editorial Norma,},
	year = {1995.},
	address = {Santa Fe de Bogotá :},
	note = {v.1 Estrategia. -- v.2 Plan de acción}
}