@book{68029,
	author = {Glickman, Carl D. and Gordon, Stephen P.},
	title = {The basic guide to supervision and instructional leadership /},
	publisher = {Pearson,},
	year = {c2013},
	series = {The Allyn & Bacon educational leadership series},
	address = {Boston, MA :},
	edition = {3rd ed.}
}