APA (7e ed.) Bronvermelding

Não informado. (1980). For the Learning of Mathematics. FLM Publishing Association.

Chicago (17e ed.) Bronvermelding

Não informado. For the Learning of Mathematics. Montreal, Canada: FLM Publishing Association, 1980.

MLA (8e ed.) Bronvermelding

Não informado. For the Learning of Mathematics. FLM Publishing Association, 1980.

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