@book{149273,
	author = {Oswald S., Úrsula and Serrano, Jorge R., },
	title = {Cooperativas ejidales y capitalismo estatal dependiente},
	publisher = {Universidad Nacional Autónoma de México, },
	year = {1979},
	series = {Estudio; },
	address = {México :},
	edition = {1a ed.}
}