APA (7e ed.) Bronvermelding

Não informado. (1908). The Mathematics Teacher. National Council of Teachers of Mathematics.

Chicago (17e ed.) Bronvermelding

Não informado. The Mathematics Teacher. Reston, Va: National Council of Teachers of Mathematics, 1908.

MLA (8e ed.) Bronvermelding

Não informado. The Mathematics Teacher. National Council of Teachers of Mathematics, 1908.

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