National Council of teachers of mathematics & Lester, F. K. (2007). Second handbook of research on mathematics teaching and learning: A project of the National Council of Teachers of Mathematics. Information Age Publishing.
Chicago-Zitierstil (17. Ausg.)National Council of teachers of mathematics und Frank K. Lester. Second Handbook of Research on Mathematics Teaching and Learning: A Project of the National Council of Teachers of Mathematics. Charlotte, NC: Information Age Publishing, 2007.
MLA-Zitierstil (9. Ausg.)National Council of teachers of mathematics und Frank K. Lester. Second Handbook of Research on Mathematics Teaching and Learning: A Project of the National Council of Teachers of Mathematics. Information Age Publishing, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.