Merttens, R., & Vass, J. (1990). Sharing maths cultures: IMPACT: investing maths for parents and children and teachers. The Falmer Press.
Chicago-Zitierstil (17. Ausg.)Merttens, Ruth, und Jeff Vass. Sharing Maths Cultures: IMPACT: Investing Maths for Parents and Children and Teachers. USA: The Falmer Press, 1990.
MLA-Zitierstil (8. Ausg.)Merttens, Ruth, und Jeff Vass. Sharing Maths Cultures: IMPACT: Investing Maths for Parents and Children and Teachers. The Falmer Press, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.