@book{138486,
	author = {Roy, Joaquín,},
	title = {Las relaciones exteriores de la Unión Europea /},
	publisher = {Plaza y Valdés S. A. de C. V.,},
	year = {2001.},
	address = {México D.F. :},
	note = {Contiene índice.},
	url = {https://elibro.net/ereader/politecnicointernacional/73377}
}