Charpa, U. (1991). Aristoteles. Campus.
Lua i Stíl Chicago (17ú heag.)Charpa, Ulrich. Aristoteles. Frankfurt am Main: Campus, 1991.
Lua MLA (8ú heag.)Charpa, Ulrich. Aristoteles. Campus, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.