@book{45229,
	author = {Espinosa Martínez, Eugenio. and e-libro, Corp.},
	title = {El Mercosur y la actual crisis internacional},
	publisher = {Red Aportes,},
	year = {2002.},
	address = {Puebla :},
	url = {https://elibro.net/ereader/politecnicointernacional/23841}
}