@book{3048,
	author = {Greer, Charles R. and Plunkett, W. Richard},
	title = {Supervision :},
	publisher = {Prentice Hall,},
	year = {c2000.},
	address = {Upper Saddle River, NJ :},
	edition = {9th ed.},
	note = {Plunkett's name appears first on the earlier editions.}
}