Bruce, H. A. (1913). Above the clouds and old New York: An historical sketch of the site and a description of the many wonders of the Woolworth building. Munder-Thomsen Press.
Lua i Stíl Chicago (17ú heag.)Bruce, H. Addington. Above the Clouds and Old New York: An Historical Sketch of the Site and a Description of the Many Wonders of the Woolworth Building. New York: Munder-Thomsen Press, 1913.
Lua MLA (8ú heag.)Bruce, H. Addington. Above the Clouds and Old New York: An Historical Sketch of the Site and a Description of the Many Wonders of the Woolworth Building. Munder-Thomsen Press, 1913.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.