@book{78290,
	author = {Kouzes, James M., and Posner, Barry Z. and ebrary, Inc.},
	title = {The leadership challenge workbook},
	publisher = {Jossey-Bass,},
	year = {2012.},
	address = {San Francisco :},
	edition = {3rd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10575688}
}