Gaya APA
Gaylord, E, H., E., I, G, C, N, I, S, J.
(1992).
Design of steel structures
.
New York:
.
Gaya MLA
Gaylord, Edwin, H.., E., I., Gaylord,, Charles, N., II., Stallmeyer,, James.
"Design of steel structures".
New York:
,
1992.
Text.