@book{51246,
	author = {Heifetz, Ronald A. and ebrary, Inc.},
	title = {Leadership without easy answers},
	publisher = {Belknap Press of Harvard University Press,},
	year = {1994.},
	address = {Cambridge, MA :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10331286}
}