Gaya APA
Manual of Steel Contruction. (1980).
Chicago:
American Institute of Steel Construction.
Gaya Chicago
Manual of Steel Contruction.
Ed.8, Cet.2.
Chicago:
American Institute of Steel Construction,
1980.
.
Gaya MLA
Manual of Steel Contruction.
Ed.8, Cet.2.
Chicago:
American Institute of Steel Construction,
1980.
.
Gaya Turabian
Manual of Steel Contruction.
Chicago:
American Institute of Steel Construction,
1980.
.