Barnett, Raymond A. College algebra / Raymond A. Barnett, Michael R. Ziegler, Karl W. Byleen. - 7th ed. - Boston : McGraw-Hill, c2001. - xxiv, 658 pages : color illustrations ; 26 cm Includes index. ISBN: 0072368683 Subjects--Topical Terms: Algebra. LC Class. No.: QA541.2 / B26 2001