Williams, A. (2011). Steel tructures design. New York: McGraw-Hill.
Čikaški stil citiranjaWilliams, Alan. Steel Tructures Design. New York: McGraw-Hill, 2011.
MLA način citiranjaWilliams, Alan. Steel Tructures Design. New York: McGraw-Hill, 2011.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.