@book{198960,
	author = {Frankfort-Nachmias, Chava. and Leon-Guerrero, Anna.},
	title = {Social statistics for a diverse society},
	publisher = {Pine Forge Press},
	year = {c2006.},
	address = {Thousand Oaks, Calif.},
	edition = {4th ed.},
	note = {ESTE LIBRO INCLUYE UN DISCO},
	url = {http://www.loc.gov/catdir/toc/ecip0510/2005008726.html}
}