Dyfyniad APA

Verdi, G. (1848). I Lombardi alla prima crociata =: The Lombards at the first crusade : a tragic opera in four acts. J. Douglas.

Dyfyniad Arddull Chicago

Verdi, Giuseppe. I Lombardi Alla Prima Crociata =: The Lombards at the First Crusade : A Tragic Opera in Four Acts. New York: J. Douglas, 1848.

Dyfyniad MLA

Verdi, Giuseppe. I Lombardi Alla Prima Crociata =: The Lombards at the First Crusade : A Tragic Opera in Four Acts. J. Douglas, 1848.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.