Ross, W. D. (1956). Aristotle. Barnes & Noble Inc.
Lua i Stíl Chicago (17ú heag.)Ross, W. D. Aristotle. Barnes & Noble Inc, 1956.
Lua MLA (8ú heag.)Ross, W. D. Aristotle. Barnes & Noble Inc, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.