HOFFMANN LAURENCE & BRADLEY GERALD SOBECKI DAVE PRICE MICHAEL. (2010). CALCULUS FOR BUSINESS,ECONOMICS,AND THE SOCIAL AND LIFE SCIENCES (11 ED.). MC GRAW HILL.
Chicago-viite (17. p.)HOFFMANN LAURENCE ja BRADLEY GERALD SOBECKI DAVE PRICE MICHAEL. CALCULUS FOR BUSINESS,ECONOMICS,AND THE SOCIAL AND LIFE SCIENCES. 11 ED. NEW YORK: MC GRAW HILL, 2010.
MLA-viite (9. p.)HOFFMANN LAURENCE ja BRADLEY GERALD SOBECKI DAVE PRICE MICHAEL. CALCULUS FOR BUSINESS,ECONOMICS,AND THE SOCIAL AND LIFE SCIENCES. 11 ED. MC GRAW HILL, 2010.
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