National Council of Teachers of Mathematics. Commission on Standards for School Mathematics. (1989). Curriculum and evaluation standards for school mathematics. The Council.
Cytowanie według stylu Chicago (wyd. 17)National Council of Teachers of Mathematics. Commission on Standards for School Mathematics. Curriculum and Evaluation Standards for School Mathematics. Reston, VA: The Council, 1989.
Cytowanie według stylu MLA (wyd. 9)National Council of Teachers of Mathematics. Commission on Standards for School Mathematics. Curriculum and Evaluation Standards for School Mathematics. The Council, 1989.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..