Cita APA (7th ed.)

Burton, L. (1992). Thinking things through problem solving in mathematics. Basil Blackwell.

Cita Chicago (17th ed.)

Burton, Leone. Thinking Things Through Problem Solving in Mathematics. Oxford: Basil Blackwell, 1992.

Cita MLA (9th ed.)

Burton, Leone. Thinking Things Through Problem Solving in Mathematics. Basil Blackwell, 1992.