APA Style

BECKER, J, P, ;, S, S. (2007). The Open-Ended Approach : A New Proposal for Teaching Mathematics . : National Council of Teachers of Mathematics,..

MLA Style

BECKER, Jerry, P., ;, SHIMADA,, Shigeru. "The Open-Ended Approach : A New Proposal for Teaching Mathematics". : National Council of Teachers of Mathematics,., 2007. BOOK.