Brumfiel, C. F., Eicholtz, R. E., & Shanks, M. E. (1960). Geometry. Addison-Wesley.
Cita Chicago (17th ed.)Brumfiel, Charles F., R. E. Eicholtz, i M. E. Shanks. Geometry. Reading, MA: Addison-Wesley, 1960.
Cita MLA (9th ed.)Brumfiel, Charles F., et al. Geometry. Addison-Wesley, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.