@book{31471,
	author = {Haydon, Graham. and ebrary, Inc.},
	title = {Values for educational leadership},
	publisher = {SAGE Publications,},
	year = {2007.},
	address = {Los Angeles :},
	edition = {1st ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10256889}
}