Gaya APA
Brockenbrough, R, L., Merritt, F, S. (1999).
STRUCTURAL Steel Designer's Handbook .
United States of America:
The McGraw-Hill Companies.
Gaya MLA
Brockenbrough, Roger, L.., Merritt, Frederick, S..
"STRUCTURAL Steel Designer's Handbook".
United States of America:
The McGraw-Hill Companies,
1999.
Electronic Resource.