@book{56983,
	author = {Hay, Leon E. and Engstrom, John H. },
	title = {Programmed learning aid for accounting for governmental and nonprofit entities /},
	publisher = {Learning Systems Co.,},
	year = {c1981.},
	series = {Willard J. Graham series in accounting},
	address = {Homewood, Ill. :},
	note = {Includes index.}
}