Cita APA

National Council of Teachers of Mathematics, & National Council of Teachers of Mathematics. (1929). Significant changes and trends in the teaching of mathematics throught the world since 1900. New York, New York: Teachers College Columbia University.

Citación estilo Chicago

National Council of Teachers of Mathematics, y National Council of Teachers of Mathematics. Significant Changes and Trends in the Teaching of Mathematics Throught the World Since 1900. New York, New York: Teachers College Columbia University, 1929.

Cita MLA

National Council of Teachers of Mathematics, y National Council of Teachers of Mathematics. Significant Changes and Trends in the Teaching of Mathematics Throught the World Since 1900. New York, New York: Teachers College Columbia University, 1929.