APA (7e ed.) Bronvermelding

Merttens, R., & Vass, J. (1990). Sharing maths cultures: IMPACT: investing maths for parents and children and teachers. The Falmer Press.

Chicago (17e ed.) Bronvermelding

Merttens, Ruth, en Jeff Vass. Sharing Maths Cultures: IMPACT: Investing Maths for Parents and Children and Teachers. USA: The Falmer Press, 1990.

MLA (8e ed.) Bronvermelding

Merttens, Ruth, en Jeff Vass. Sharing Maths Cultures: IMPACT: Investing Maths for Parents and Children and Teachers. The Falmer Press, 1990.

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