Verdi, G. (1848). I Lombardi alla prima crociata =: The Lombards at the first crusade : a tragic opera in four acts. J. Douglas.
Lua i Stíl Chicago (17ú heag.)Verdi, Giuseppe. I Lombardi Alla Prima Crociata =: The Lombards at the First Crusade : A Tragic Opera in Four Acts. New York: J. Douglas, 1848.
Lua MLA (8ú heag.)Verdi, Giuseppe. I Lombardi Alla Prima Crociata =: The Lombards at the First Crusade : A Tragic Opera in Four Acts. J. Douglas, 1848.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.