Gaya APA
Rokach, A, J. (1991).
Schaum s outline of theory and problems of structural steel design (load and resistance factor method) .
New York:
McGraw-Hill.
Gaya MLA
Rokach, Abraham, J..
"Schaum s outline of theory and problems of structural steel design (load and resistance factor method)".
New York:
McGraw-Hill,
1991.
Text.