Cita APA (7th ed.)

National Council of Teachers of Mathematics & Grouws, D. A. (1992). Handbook of research on mathematics teaching and learning. Macmillan.

Cita Chicago (17th ed.)

National Council of Teachers of Mathematics i Douglas A. Grouws. Handbook of Research on Mathematics Teaching and Learning. New York: Macmillan, 1992.

Cita MLA (9th ed.)

National Council of Teachers of Mathematics i Douglas A. Grouws. Handbook of Research on Mathematics Teaching and Learning. Macmillan, 1992.