Williams, Walter E. Fundamentals of business mathematics / Walter E. Williams, James H. Reed. - 6th ed. - Dubuque, IA : W.C. Brown Publishers, c1994. - xii, 607 p. : ill. (some col.) ; 24 cm. ISBN: 0697124576 LCCN: 92083831 Subjects--Topical Terms: Business mathematics. LC Class. No.: HF5691 / .W54 1994