@book{18135,
	author = {Koontz, Harold, 1908 and O'Donnell, C.},
	title = {Principles of management : an analysis of managerial functions /},
	publisher = {McGraw-Hill book co. pvt. ltd.,},
	year = {1972.},
	series = {McGraw-Hill series in management.},
	address = {London :}
}