@book{28001,
	author = {Rivero Rodrigo, Santiago.},
	title = {Guía rápida y herramienta de apoyo :},
	publisher = {Biblioteca Nueva :},
	year = {2009.},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/9869/}
}