Aufmann, Richard N. Algebra : introductory and intermediate / Richard N. Aufmann, Vernon C. Barker, Joanne S. Lockwood. - 4th ed., Instructor's annotated ed. - Boston : Houghton Mifflin, c2007. - 336p. (various pagings) : ill. (some col.) ; 24cm. Includes index. ISBN: 9780618611324 LCCN: 2002109362 Subjects--Topical Terms: Algebra. LC Class. No.: QA152.2.A838