(1994). Mathematics teaching in the middle school. National Council of Teachers of Mathematics.
Chicagoスタイル(17版)引用形式Mathematics Teaching in the Middle School. Reston, VA: National Council of Teachers of Mathematics, 1994.
MLA(9版)引用形式Mathematics Teaching in the Middle School. National Council of Teachers of Mathematics, 1994.
警告: この引用は必ずしも正確ではありません.