@book{235149,
	author = {Ferreyra Cortés, Gonzalo,},
	title = {Office 2007 paso a paso /},
	publisher = {Alfaomega Grupo Editor,},
	year = {mayo 2008.},
	address = {México D.F. :},
	edition = {Primera edición.},
	url = {https://www.digitaliapublishing.com/a/17139/}
}