@book{51353,
	author = {Brendel, Leroy A. and Leffingwell, Elsie L.,},
	title = {English usage drills & exercises programmed for the typewriter /},
	publisher = {Gregg Division, McGraw-Hill,},
	year = {c1977.},
	address = {New York :},
	edition = {2nd ed.}
}