Ledermann, W. (1980). Handbook of applicable mathematics. Wiley.
Lua i Stíl Chicago (17ú heag.)Ledermann, Walter. Handbook of Applicable Mathematics. Chichester: Wiley, 1980.
Lua MLA (9ú heag.)Ledermann, Walter. Handbook of Applicable Mathematics. Wiley, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.