APA (7e ed.) Bronvermelding

Não informado. (1971). Mathematics in School. Mathematical Association.

Chicago (17e ed.) Bronvermelding

Não informado. Mathematics in School. London: Mathematical Association, 1971.

MLA (8e ed.) Bronvermelding

Não informado. Mathematics in School. Mathematical Association, 1971.

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