Guthrie, W. (1960). Aristotle on the heavens. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Guthrie, W.K.C. Aristotle on the Heavens. London: Harvard University Press, 1960.
Lua MLA (9ú heag.)Guthrie, W.K.C. Aristotle on the Heavens. Harvard University Press, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.