@book{61625,
	author = {Saylor, Steven and Walsh, Susan},
	title = {Roma :},
	publisher = {St. Martin's Press,},
	year = {2007.},
	address = {New York :},
	edition = {1a Edicion.},
	url = {http://www.loc.gov/catdir/enhancements/fy0711/2006051179-s.html}
}