@book{112056,
	title = {560 - Declaración andina de valor},
	publisher = {Legis Editores S.A.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.legiscomex.com/BancoMedios/Documentos%20PDF/declaracion-andina-valor-560-2013.pdf}
}