National Council of Teachers of Mathematics. (1927). Curriculum problems in teaching mathematics. Bureau of Publications, Teachers College, Columbia University.
Chicago Style (17th ed.) CitationNational Council of Teachers of Mathematics. Curriculum Problems in Teaching Mathematics. New York: Bureau of Publications, Teachers College, Columbia University, 1927.
MLA (9th ed.) CitationNational Council of Teachers of Mathematics. Curriculum Problems in Teaching Mathematics. Bureau of Publications, Teachers College, Columbia University, 1927.
Warning: These citations may not always be 100% accurate.