Knight, D. (1975). Sources for the history of science 1660-1914. Ebenezer & Son.
Lua i Stíl Chicago (17ú heag.)Knight, David. Sources for the History of Science 1660-1914. Londres, Inglaterra: Ebenezer & Son, 1975.
Lua MLA (9ú heag.)Knight, David. Sources for the History of Science 1660-1914. Ebenezer & Son, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
