APA (7e ed.) Bronvermelding

Não informado. (1970). Journal for Research in Mathematics Education. National Council of Teachers of Mathematics.

Chicago (17e ed.) Bronvermelding

Não informado. Journal for Research in Mathematics Education. Reston, Va: National Council of Teachers of Mathematics, 1970.

MLA (8e ed.) Bronvermelding

Não informado. Journal for Research in Mathematics Education. National Council of Teachers of Mathematics, 1970.

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