Gaston Leroux. (2019). "Phantom of the Opera (Young Reading Level 2) [Paperback] [Jan 01, 2010] Gaston LeRoux". FQ Books.
Lua i Stíl Chicago (17ú heag.)Gaston Leroux. "Phantom of the Opera (Young Reading Level 2) [Paperback] [Jan 01, 2010] Gaston LeRoux". FQ Books, 2019.
Lua MLA (9ú heag.)Gaston Leroux. "Phantom of the Opera (Young Reading Level 2) [Paperback] [Jan 01, 2010] Gaston LeRoux". FQ Books, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.