Langan, John College writing skills / John Langan. - 4th ed. - New York : McGraw-Hills, c1996. - xvi, 492 p. : ill. ; 24 cm. Includes index. ISBN: 0070364427 Subjects--Topical Terms: English language--Rhetoric.English language--Grammar.Academic writing. LC Class. No.: PE1471 / .L36 1996