Cita APA (7th ed.)

Lesh, R. A., & Doerr, H. M. (2003). Beyond constructivism. Models and modeling perspectives on mathematics problem solving, learning and teaching. Lawrence Erlbaum Associates.

Cita Chicago (17th ed.)

Lesh, Richard A., i Helen M. Doerr. Beyond Constructivism. Models and Modeling Perspectives on Mathematics Problem Solving, Learning and Teaching. Mahwah: Lawrence Erlbaum Associates, 2003.

Cita MLA (9th ed.)

Lesh, Richard A., i Helen M. Doerr. Beyond Constructivism. Models and Modeling Perspectives on Mathematics Problem Solving, Learning and Teaching. Lawrence Erlbaum Associates, 2003.