Brechner, R. A. (1997). Contemporary mathematics for business and consumers. Dryden Press.
Cita Chicago (17th ed.)Brechner, Robert A. Contemporary Mathematics for Business and Consumers. Forth Worth, TX: Dryden Press, 1997.
Cita MLA (9th ed.)Brechner, Robert A. Contemporary Mathematics for Business and Consumers. Dryden Press, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.