Burton, L. (1992). Thinking things through problem solving in mathematics. Basil Blackwell.
Citazione stile Chigago Style (17a edizione)Burton, Leone. Thinking Things Through Problem Solving in Mathematics. Oxford: Basil Blackwell, 1992.
Citatione MLA (9a ed.)Burton, Leone. Thinking Things Through Problem Solving in Mathematics. Basil Blackwell, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.