@book{122107,
	author = {Stewart, Marie M. and Hagar, Hubert Adonley},
	title = {Business English and communication},
	publisher = {Gregg Division, McGraw-Hill},
	year = {[1971, c1972]},
	address = {New York},
	edition = {4th ed.},
	note = {Based on Business English and letter writing, by H. A. Hagar, M. M. Stewart, and E. L. Hutchinson.}
}