Davis. Il Trittico, Turandot, and Puccini's Late Style. Indiana University Press.
Chicago Style aipamenaDavis. Il Trittico, Turandot, and Puccini's Late Style. Indiana University Press.
MLA aipamenaDavis. Il Trittico, Turandot, and Puccini's Late Style. Indiana University Press.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.