Auxerre. Logica, or Summa Lamberti. University of Notre Dame Press.
Lua i Stíl Chicago (17ú heag.)Auxerre. Logica, or Summa Lamberti. University of Notre Dame Press.
Lua MLA (9ú heag.)Auxerre. Logica, or Summa Lamberti. University of Notre Dame Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.