@book{18991,
	author = {Pasewark, William Robert,},
	title = {Office machines course;},
	publisher = {South-western Pub. Co.},
	year = {[1971]},
	address = {Cincinnati,},
	edition = {4th ed.},
	note = {Third ed. by P. L. Agnew and N. J. Cornelia.}
}