Hoffmann, Laurence D. Calculus for business, economics, ad the social, and life sciencens / Laurence D. Hoffmann. - 3rd ed. - New York : McGraw-Hill Book Company, c1986. - 708 p. ISBN: 0070293317 Subjects--Topical Terms: Calculus. LC Class. No.: QA303 .H569 1986 Dewey Class. No.: Cir 515 H67 1986