Bennett, D., & Steinkamp, J. R. (1995). Skyscrapers: The world's tallest buildings and how they work. Aurum Press.
Chicago Style aipamenaBennett, David, and James R. Steinkamp. Skyscrapers: The World's Tallest Buildings and How They Work. London: Aurum Press, 1995.
MLA aipamenaBennett, David, and James R. Steinkamp. Skyscrapers: The World's Tallest Buildings and How They Work. Aurum Press, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.