Merttens, R., & Vass, J. (1990). Sharing maths cultures : IMPACT : Inventing Maths for Parents and Children and Teachers / Ruth Merttens,Jeff Vass: IMPACT : Inventing Maths for Parents and Children and Teachers. Falmer.
Chicago Style (17th ed.) CitationMerttens, Ruth, and Jeff Vass. Sharing Maths Cultures : IMPACT : Inventing Maths for Parents and Children and Teachers / Ruth Merttens,Jeff Vass: IMPACT : Inventing Maths for Parents and Children and Teachers. Basingstoke: Falmer, 1990.
MLA (9th ed.) CitationMerttens, Ruth, and Jeff Vass. Sharing Maths Cultures : IMPACT : Inventing Maths for Parents and Children and Teachers / Ruth Merttens,Jeff Vass: IMPACT : Inventing Maths for Parents and Children and Teachers. Falmer, 1990.
Warning: These citations may not always be 100% accurate.