Larson, Ron , Hostetler, Robert T. & Heyd, David E. Elementary and Intermediate Algebra : A Combined Course By Ron Larson, Robert P. Hostetler & David E. Heyd - Third Edition - Boston Houghton Mifflin Company 2000 - xxi, 936 pages, 26 cm. include index ISBN: 0-395-97632-4 Dewey Class. No.: 512 L32 2000