Gilbert, A. H. (1963). Dante and his Comedy. New York University Press.
Lua i Stíl Chicago (17ú heag.)Gilbert, Allan H. Dante and His Comedy. [New York]: New York University Press, 1963.
Lua MLA (9ú heag.)Gilbert, Allan H. Dante and His Comedy. New York University Press, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.