Stiff, L., & Curcio, F. R. (1999). Developing mathematical reasoning in grades K-12. Reston, Va.: National Council of Teachers of Mathematics.
Chicago Style CitationStiff, Lee, and Frances R. Curcio. Developing Mathematical Reasoning in Grades K-12. Reston, Va.: National Council of Teachers of Mathematics, 1999.
MLA CitationStiff, Lee, and Frances R. Curcio. Developing Mathematical Reasoning in Grades K-12. Reston, Va.: National Council of Teachers of Mathematics, 1999.
Warning: These citations may not always be 100% accurate.