@book{142339,
	author = {Wallerstein, Immanuel Maurice, and Universidad Nacional Autónoma de México.},
	title = {Estados Unidos, hoy},
	publisher = {Siglo Veintiuno},
	year = {1984.},
	series = {Historia inmediata},
	address = {México, D.F.},
	note = {Papers from a seminar organized in 1981 by the Instituto de Investigaciones Sociales of the Universidad Nacional Autónoma de México.}
}