@book{18007,
	author = {Cortés Carcelén, Juan Carlos and Pontificia Universidad Católica del Perú-Lima},
	title = {Derecho colectivo del trabajo},
	publisher = {PUCP,},
	year = {1990},
	series = {Materiales de enseñanza},
	address = {Lima :},
	edition = {2a. ed}
}