Treffers, A. (1987). Three Dimensions: A Model of Goal and Theory Description in Mathematics Instruction - The Wiskobas Project. Springer Netherlands.
Chicago Style (17th ed.) CitationTreffers, Adrian. Three Dimensions: A Model of Goal and Theory Description in Mathematics Instruction - The Wiskobas Project. Dordrecht: Springer Netherlands, 1987.
MLA (9th ed.) CitationTreffers, Adrian. Three Dimensions: A Model of Goal and Theory Description in Mathematics Instruction - The Wiskobas Project. Springer Netherlands, 1987.
Warning: These citations may not always be 100% accurate.