@book{216678,
	author = {Kotter, John P.},
	title = {Al frente del cambio},
	publisher = {Ediciones Urano},
	year = {c2007.},
	series = {Nuevos paradigmas},
	address = {Barcelona},
	url = {http://lcweb.loc.gov/catdir/toc/96-20263.html}
}