Mason, J. Thinking Mathematically (2.). Pearson Education UK.
Cita Chicago (17th ed.)Mason, J.;Burton. Thinking Mathematically. 2. Pearson Education UK.
Cita MLA (8th ed.)Mason, J.;Burton. Thinking Mathematically. 2. Pearson Education UK.
Atenció: Aquestes cites poden no estar 100% correctes.