@book{137855,
	author = {Koontz, Harold, and O'Donnell, Cyril,},
	title = {Management :},
	publisher = {McGraw-Hill,},
	year = {1976.},
	series = {McGraw-Hill series in management},
	address = {New York :},
	edition = {6th ed.},
	note = {First-5th editions published under title: Principles of management.}
}