@book{127623,
	author = {Bennis, Warren G. and Nanus, Burt.},
	title = {Leaders :},
	publisher = {HarperBusiness,},
	year = {1997.},
	address = {New York :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/description/hc044/96047290.html}
}