Croft, A., & Davison, R. (1997). Foundation maths: Essential maths for students (2nd ed.). Prentice Hall.
Citazione stile Chigago Style (17a edizione)Croft, Anthony, e Robert Davison. Foundation Maths: Essential Maths for Students. 2nd ed. Harlow, England: Prentice Hall, 1997.
Citatione MLA (9a ed.)Croft, Anthony, e Robert Davison. Foundation Maths: Essential Maths for Students. 2nd ed. Prentice Hall, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.