APA (7e ed.) Bronvermelding

National Council of Teachers of Mathematics. (2020). Mathematics News Letter. Mathematics News Letter.

Chicago (17e ed.) Bronvermelding

National Council of Teachers of Mathematics. Mathematics News Letter. Baton Rouge, La: Mathematics News Letter, 2020.

MLA (8e ed.) Bronvermelding

National Council of Teachers of Mathematics. Mathematics News Letter. Mathematics News Letter, 2020.

Let op: Deze citaties zijn niet altijd 100% accuraat.