@book{134512,
	author = {Restrepo, Iván and Eckstein, Salomón},
	title = {La agricultura colectiva en México},
	publisher = {Siglo Veintiuno Editores,},
	year = {1979},
	series = {Economía y Demografía},
	address = {México :},
	edition = {2a ed.}
}