@book{215958,
	author = {Bennis, Warren G.},
	title = {On becoming a leader},
	publisher = {Perseus Books Group},
	year = {c2009.},
	address = {New York},
	edition = {12. ed.},
	note = {"Revised and updated"--Cover.},
	url = {http://www.loc.gov/catdir/enhancements/fy0830/2003100205-b.html}
}