Fryer, P. (2014). Opera in the media age: Essays on art, technology and popular culture. McFarland & Company.
Chicago Style (17th ed.) ZitazioaFryer, Paul. Opera in the Media Age: Essays on Art, Technology and Popular Culture. Jefferson, North Carolina: McFarland & Company, 2014.
MLA (9th ed.) ZitazioaFryer, Paul. Opera in the Media Age: Essays on Art, Technology and Popular Culture. McFarland & Company, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.