Lesh, R. A., & Doerr, H. M. (2003). Beyond constructivism. Models and modeling perspectives on mathematics problem solving, learning and teaching. Lawrence Erlbaum Associates.
Citazione stile Chigago Style (17a edizione)Lesh, Richard A., e Helen M. Doerr. Beyond Constructivism. Models and Modeling Perspectives on Mathematics Problem Solving, Learning and Teaching. Mahwah: Lawrence Erlbaum Associates, 2003.
Citatione MLA (9a ed.)Lesh, Richard A., e Helen M. Doerr. Beyond Constructivism. Models and Modeling Perspectives on Mathematics Problem Solving, Learning and Teaching. Lawrence Erlbaum Associates, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.