United States. National Science Foundation/U.S. Department of Education Interagency Working Group, National Research Council (U.S.). Mathematical Sciences Education Board, National Science Foundation (U.S.), & United States. Department of Education. (1997). Toward excellence in K-8 mathematics. Mathematical Sciences Education Board, Center for Science, Mathematics and Engineering Education, National Research Council.
Style de citation Chicago (17e éd.)United States. National Science Foundation/U.S. Department of Education Interagency Working Group, National Research Council (U.S.). Mathematical Sciences Education Board, National Science Foundation (U.S.), et United States. Department of Education. Toward Excellence in K-8 Mathematics. United States: Mathematical Sciences Education Board, Center for Science, Mathematics and Engineering Education, National Research Council, 1997.
Style de citation MLA (8e éd.)United States. National Science Foundation/U.S. Department of Education Interagency Working Group, et al. Toward Excellence in K-8 Mathematics. Mathematical Sciences Education Board, Center for Science, Mathematics and Engineering Education, National Research Council, 1997.