Tolley, H., & Thomas, K. (2013). How to pass numeracy tests: Test your knowledge of number problems, data interpretation tests and number sequences (4th ed.). Kogan Page.
Citazione stile Chigago Style (17a edizione)Tolley, Harry, e Ken Thomas. How to Pass Numeracy Tests: Test Your Knowledge of Number Problems, Data Interpretation Tests and Number Sequences. 4th ed. London: Kogan Page, 2013.
Citatione MLA (9a ed.)Tolley, Harry, e Ken Thomas. How to Pass Numeracy Tests: Test Your Knowledge of Number Problems, Data Interpretation Tests and Number Sequences. 4th ed. Kogan Page, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.