Thomson, R. S. (1992). Italian for the opera. Godwin Books.
Lua i Stíl Chicago (17ú heag.)Thomson, Robert Stuart. Italian for the Opera. Vancouver, BC: Godwin Books, 1992.
Lua MLA (9ú heag.)Thomson, Robert Stuart. Italian for the Opera. Godwin Books, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.