Bennett, D., & Steinkamp, J. R. (1995). Skyscrapers: The world's tallest buildings and how they work. Aurum Press.
Lua i Stíl Chicago (17ú heag.)Bennett, David, agus James R. Steinkamp. Skyscrapers: The World's Tallest Buildings and How They Work. London: Aurum Press, 1995.
Lua MLA (9ú heag.)Bennett, David, agus James R. Steinkamp. Skyscrapers: The World's Tallest Buildings and How They Work. Aurum Press, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.