@book{122961,
	author = {Inglehart, Ronald,  and Welzel, Christian. },
	title = {Modernización, cambio cultural y democracia : },
	publisher = {Centro de Investigaciones Sociologicas :},
	year = {2006.},
	address = {Madrid :},
	edition = {primera edición },
	url = {http://www.loc.gov/catdir/enhancements/fy1204/2006481519-d.html}
}