Ross, W. D., & Samuel, J. (1971). Aristote. Gordon & Breach.
Lua i Stíl Chicago (17ú heag.)Ross, William David, agus Jean Samuel. Aristote. Paris ; Londres ; New York: Gordon & Breach, 1971.
Lua MLA (8ú heag.)Ross, William David, agus Jean Samuel. Aristote. Gordon & Breach, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.