Não informado. (1999). Perspectives on Science. University of Chicago Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Perspectives on Science. Chicago, Ill: University of Chicago Press, 1999.
Lua MLA (8ú heag.)Não informado. Perspectives on Science. University of Chicago Press, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.