Aufmann, Richard N. Introductory algebra : an applied approach with student solutions guide / Richard Aufmann, Vernon C. Barker [and] Joanne S. Lockwood. - 6th ed. - Boston : Houghton Mifflin Co., c2003. - xxx, (various pagings) : ill. (some col.) ; 28 cm. Includes index. ISBN: 0618432264 (pbk.) Subjects--Topical Terms: Algebra.