Potter, M. (1990). Panorama: [level 3] (American-English ed.). Macmillan Publishers.
Lua i Stíl Chicago (17ú heag.)Potter, Mike. Panorama: [level 3]. American-English ed. London: Macmillan Publishers, 1990.
Lua MLA (9ú heag.)Potter, Mike. Panorama: [level 3]. American-English ed. Macmillan Publishers, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.