Cita APA (7a ed.)

National Council of Teachers of Mathematics. (2000). Principles and standards for school mathematics (1st edition.). National Council of Teachers of Mathematics.

Cita Chicago Style (17a ed.)

National Council of Teachers of Mathematics. Principles and Standards for School Mathematics. 1st edition. Reston, Virgina: National Council of Teachers of Mathematics, 2000.

Cita MLA (9a ed.)

National Council of Teachers of Mathematics. Principles and Standards for School Mathematics. 1st edition. National Council of Teachers of Mathematics, 2000.