Salem Press. (2006). Science and scientists. Salem Press.
Lua i Stíl Chicago (17ú heag.)Salem Press. Science and Scientists. Pasadena, Calif: Salem Press, 2006.
Lua MLA (9ú heag.)Salem Press. Science and Scientists. Salem Press, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.