Whigham, D. (1998). Quantitative business methods using Excel. O.U.P.
Cita Chicago (17th ed.)Whigham, David. Quantitative Business Methods Using Excel. Oxford: O.U.P, 1998.
Cita MLA (9th ed.)Whigham, David. Quantitative Business Methods Using Excel. O.U.P, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.