Fryer, P. (2014). Opera in the media age: Essays on art, technology and popular culture. McFarland & Company.
Chicago-viite (17. p.)Fryer, Paul. Opera in the Media Age: Essays on Art, Technology and Popular Culture. Jefferson, North Carolina: McFarland & Company, 2014.
MLA-viite (9. p.)Fryer, Paul. Opera in the Media Age: Essays on Art, Technology and Popular Culture. McFarland & Company, 2014.
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