Citace podle APA (7th ed.)
Ryan, J., & Williams, J. (2007). Children's mathematics 4-15: Learning from errors and misconceptions. McGraw-Hill/Open University Press.
Citace podle Chicago (17th ed.)
Ryan, Julie, a Julian Williams. Children's Mathematics 4-15: Learning from Errors and Misconceptions. Maidenhead: McGraw-Hill/Open University Press, 2007.
Citace podle MLA (9th ed.)
Ryan, Julie, a Julian Williams. Children's Mathematics 4-15: Learning from Errors and Misconceptions. McGraw-Hill/Open University Press, 2007.
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