Cita APA

National Council of Teachers of Mathematics, & National Council of Teachers of Mathematics. (1953). The learning of mathematics: Its theory and practice. --. Washington.

Citación estilo Chicago

National Council of Teachers of Mathematics, y National Council of Teachers of Mathematics. The Learning of Mathematics: Its Theory and Practice. --. Washington, 1953.

Cita MLA

National Council of Teachers of Mathematics, y National Council of Teachers of Mathematics. The Learning of Mathematics: Its Theory and Practice. --. Washington, 1953.