Cooney, T. J. (1990). Teaching and learning mathematics in the 1990s. National Council of Teachers of Mathematics.
Citazione stile Chigago Style (17a edizione)Cooney, Thomas J. Teaching and Learning Mathematics in the 1990s. Reston, Va: National Council of Teachers of Mathematics, 1990.
Citatione MLA (9a ed.)Cooney, Thomas J. Teaching and Learning Mathematics in the 1990s. National Council of Teachers of Mathematics, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.