(1997). Toward excellence in K-8 mathematics. Mathematical Sciences Education Board, Center for Science, Mathematics and Engineering Education, National Research Council.
Chicago-Zitierstil (17. Ausg.)Toward Excellence in K-8 Mathematics. United States: Mathematical Sciences Education Board, Center for Science, Mathematics and Engineering Education, National Research Council, 1997.
MLA-Zitierstil (9. Ausg.)Toward Excellence in K-8 Mathematics. Mathematical Sciences Education Board, Center for Science, Mathematics and Engineering Education, National Research Council, 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.