Gaya APA
Manual of steel construction. (1967).
:
American Institute of Steel.
Gaya Chicago
Manual of steel construction.
.
:
American Institute of Steel,
1967.
.
Gaya MLA
Manual of steel construction.
.
:
American Institute of Steel,
1967.
.
Gaya Turabian
Manual of steel construction.
:
American Institute of Steel,
1967.
.