(1994). Mathematics teaching in the middle school. National Council of Teachers of Mathematics.
Chicago-Zitierstil (17. Ausg.)Mathematics Teaching in the Middle School. Reston, VA: National Council of Teachers of Mathematics, 1994.
MLA-Zitierstil (9. Ausg.)Mathematics Teaching in the Middle School. National Council of Teachers of Mathematics, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.