National Council of Teachers of Mathematics. (2020). Mathematics News Letter. Mathematics News Letter.
Citação do estilo Chicago (17ª ed.)National Council of Teachers of Mathematics. Mathematics News Letter. Baton Rouge, La: Mathematics News Letter, 2020.
Citação MLA (8ª ed.)National Council of Teachers of Mathematics. Mathematics News Letter. Mathematics News Letter, 2020.
警告：这些引文格式不一定是100％准确.