Nuffield Foundation. Mathematics Project. (1967). Deak calculator / Nuffield Foundation. Mathematics Project. John Wiley.
Citazione stile Chigago Style (17a edizione)Nuffield Foundation. Mathematics Project. Deak Calculator / Nuffield Foundation. Mathematics Project. London: John Wiley, 1967.
Citatione MLA (9a ed.)Nuffield Foundation. Mathematics Project. Deak Calculator / Nuffield Foundation. Mathematics Project. John Wiley, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.