RIEDESEL, C. (1973). Guiding discovery in elementary school mathematics. Prentice Hall.
Chicagoスタイル(17版)引用形式RIEDESEL, C.Alan. Guiding Discovery in Elementary School Mathematics. Englewood cliffs: Prentice Hall, 1973.
MLA(9版)引用形式RIEDESEL, C.Alan. Guiding Discovery in Elementary School Mathematics. Prentice Hall, 1973.
警告: この引用は必ずしも正確ではありません.