@book{739,
	author = {Contreras, Gustavo Nicolás and Teitelbaum, Vanesa},
	title = {La clase obrera y el centenario},
	publisher = {CTA Ediciones},
	year = {2011},
	address = {Buenos Aires :},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/La Clase Obrera y el Centenario 1910-l118576.jpg}
}