Davis, D. R. (1951). The teaching of mathematics. Addison-Wesley.
Cita Chicago (17th ed.)Davis, David Roy. The Teaching of Mathematics. Cambridge, Mass: Addison-Wesley, 1951.
Cita MLA (9th ed.)Davis, David Roy. The Teaching of Mathematics. Addison-Wesley, 1951.
Atenció: Aquestes cites poden no estar 100% correctes.