Cita APA (7th ed.)

Osborne, C. (1969). The complete operas of Verdi. Victor Gollancz.

Cita Chicago (17th ed.)

Osborne, Charles. The Complete Operas of Verdi. Londres: Victor Gollancz, 1969.

Cita MLA (9th ed.)

Osborne, Charles. The Complete Operas of Verdi. Victor Gollancz, 1969.