@book{50684,
	author = {Gorton, Richard A., and Alston, Judy A.,},
	title = {School leadership and administration :},
	publisher = {McGraw-Hill,},
	year = {�2009.},
	address = {Boston :},
	edition = {8th ed.},
	url = {http://catdir.loc.gov/catdir/toc/ecip0820/2008025970.html}
}