Brumfiel, C. F., Eicholz, R. E., & Shanks, M. E. (1961). Introduction to mathematics. Addison-Wesley.
Cita Chicago (17th ed.)Brumfiel, Charles F., Richard E. Eicholz, i M. E. Shanks. Introduction to Mathematics. London: Addison-Wesley, 1961.
Cita MLA (9th ed.)Brumfiel, Charles F., et al. Introduction to Mathematics. Addison-Wesley, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.