@book{92913,
	author = {Covey, Stephen R. and Hatch, David K., and Reader's Digest Association.},
	title = {Grandeza para cada día :},
	publisher = {Grupo Nelson,},
	year = {c2006.},
	address = {Nashville, Tenn. :},
	url = {http://www.loc.gov/catdir/toc/ecip0616/2006019786.html}
}