Merttens, R., & Vass, J. (1990). Sharing maths cultures: IMPACT: investing maths for parents and children and teachers. The Falmer Press.
Citação norma ChicagoMerttens, Ruth, and Jeff Vass. Sharing Maths Cultures: IMPACT: Investing Maths for Parents and Children and Teachers. USA: The Falmer Press, 1990.
Citação norma MLAMerttens, Ruth, and Jeff Vass. Sharing Maths Cultures: IMPACT: Investing Maths for Parents and Children and Teachers. The Falmer Press, 1990.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.