@book{1941,
	author = {Vela Orbegozo, Bernardo and Tremolada Álvarez, Eric, coaut. V.2.},
	title = {Lecciones de derecho internacional},
	publisher = {Universidad Externado de Colombia :},
	year = {2012},
	series = {Temas de derecho público, no. 86 y 89},
	address = {Bogotá :}
}