Sgroi, R. J., & Sgroi, L. S. (1993). Mathematics for elementary school teachers: Problem-solving investigations. PWS-Kent.
Chicagoスタイル(17版)引用形式Sgroi, Richard J., , Laura S. Sgroi. Mathematics for Elementary School Teachers: Problem-solving Investigations. Boston: PWS-Kent, 1993.
MLA(9版)引用形式Sgroi, Richard J., , Laura S. Sgroi. Mathematics for Elementary School Teachers: Problem-solving Investigations. PWS-Kent, 1993.
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