Cita APA (7a ed.)
National Council of Teachers of Mathematics. Mathematics teaching in the middle school. [National Council of Teachers of Mathematics].
Cita Chicago Style (17a ed.)
National Council of Teachers of Mathematics. Mathematics Teaching in the Middle School. [Reston, VA]: [National Council of Teachers of Mathematics].
Cita MLA (9a ed.)
National Council of Teachers of Mathematics. Mathematics Teaching in the Middle School. [National Council of Teachers of Mathematics].
Precaución: Estas citas no son 100% exactas.