Artikel Jurnal
Levy, Sidney M.
Elsevier, 2012
Buku Teks
American Institute of Timber Construction
John Wiley & Sons, 2012
Buku Teks
Friedbert Kind-Barkauskas, Architect Bundesverbend, Deutnchens Zementidustrie, Cologne
Birkhauser, 2002
Buku Referensi
American Institute of Steel Construction
American Institute of Steel Construction, 1980
Buku Referensi