C. Dill, E. v. H. a. E. R. (1891). Technological dictionary. English – German – French: научное издание.
Lua i Stíl Chicago (17ú heag.)C. Dill, E. von Hoyer and E. Röhrig. Technological Dictionary. English – German – French: научное издание. 1891.
Lua MLA (9ú heag.)C. Dill, E. von Hoyer and E. Röhrig. Technological Dictionary. English – German – French: научное издание. 1891.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.