Dewhurst, J. (1988). Business mathematics. Macmilan.
Cita Chicago (17th ed.)Dewhurst, Jim. Business Mathematics. London: Macmilan, 1988.
Cita MLA (9th ed.)Dewhurst, Jim. Business Mathematics. Macmilan, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.