Bascomb, N. (2003). Higher: A historic race to the sky and the making of a city (First edition.). Doubleday.
Lua i Stíl Chicago (17ú heag.)Bascomb, Neal. Higher: A Historic Race to the Sky and the Making of a City. First edition. New York: Doubleday, 2003.
Lua MLA (8ú heag.)Bascomb, Neal. Higher: A Historic Race to the Sky and the Making of a City. First edition. Doubleday, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.