@book{222528,
	author = {Fleckkenstein, William A. and Sheehan, Frederick.},
	title = {Las burbujas de Alan Greenspan},
	publisher = {Mc Graw Hill},
	year = {2008.},
	address = {México},
	url = {http://www.loc.gov/catdir/enhancements/fy0808/2007051911-t.html}
}