@book{57969,
	author = {Chomsky, Noam,  and Steele, Jonathan.},
	title = {Superpotencias en colisión},
	publisher = {Editorial Debate},
	year = {1985.},
	series = {Biblioteca verde},
	address = {Madrid},
	edition = {2a ed.},
	note = {Translation of : Superpowers in collision.}
}