@book{40036,
	author = {Martín Martín, Miguel Ángel, and Martínez Gormaz, Ricardo,},
	title = {Manual práctico de comercio exterior :},
	publisher = {FC Editorial,},
	year = {[2012]},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/37753/}
}