Lial Margaret L. Algebra and Trigonometry - 4th ed. - London: Scott,Foresman and Company; 1986 - 11,701P.: ill.; 23.5cm Includes bibliographical references and index ISBN: 0-673-18296-7 Subjects--Topical Terms: AlgebraTrigonometryLondon LC Class. No.: SJMC QA154.2.L49