Cita APA (7a ed.)

Cooney, T. J. (1990). Teaching and learning mathematics in the 1990s. National Council of Teachers of Mathematics.

Cita Chicago Style (17a ed.)

Cooney, Thomas J. Teaching and Learning Mathematics in the 1990s. Reston, Va: National Council of Teachers of Mathematics, 1990.

Cita MLA (9a ed.)

Cooney, Thomas J. Teaching and Learning Mathematics in the 1990s. National Council of Teachers of Mathematics, 1990.