Croft, A. Foundation Maths (5.). Pearson Education UK.
Cita Chicago (17th ed.)Croft, Anthony;Davison. Foundation Maths. 5. Pearson Education UK.
Cita MLA (8th ed.)Croft, Anthony;Davison. Foundation Maths. 5. Pearson Education UK.
Atenció: Aquestes cites poden no estar 100% correctes.