Fisher, B. D. (2006). Verdi's Il Trovatore (Opera Journeys Mini Guide Series). Opera Journeys Publishing.
Cita Chicago Style (17a ed.)Fisher, Burton D. Verdi's Il Trovatore (Opera Journeys Mini Guide Series). Miami: Opera Journeys Publishing, 2006.
Cita MLA (8a ed.)Fisher, Burton D. Verdi's Il Trovatore (Opera Journeys Mini Guide Series). Opera Journeys Publishing, 2006.
Precaución: Estas citas no son 100% exactas.