Wright, D. Franklin. Arithmetic for college students / D. Franklin Wright. - 5th ed. - Lexington, Mass. : D.C. Heath, c1987. - xiii, 440, 104 p. : ill. (some col.) ; 25 cm. Includes index. ISBN: 0669121894 LCCN: 86082101 Subjects--Topical Terms: Arithmetic. LC Class. No.: QA107 / .W75 1987 Dewey Class. No.: 513