National Council of Teachers of Mathematics. (1964). Topics in mathematics: For elementary school teachers. National Council of Teachers of Mathematics.
Chicago Style (17th ed.) CitationNational Council of Teachers of Mathematics. Topics in Mathematics: For Elementary School Teachers. Washington: National Council of Teachers of Mathematics, 1964.
MLA (9th ed.) CitationNational Council of Teachers of Mathematics. Topics in Mathematics: For Elementary School Teachers. National Council of Teachers of Mathematics, 1964.
Warning: These citations may not always be 100% accurate.