Gaya APA
HANSON, A., Parr, J. (1965).
THE ENGINEER'S GUIDE TO STEEL .
Dallas:
Addison-Wesley Publishing Company,INC.
Gaya MLA
HANSON, Albert.., Parr, J.Gordon..
"THE ENGINEER'S GUIDE TO STEEL".
Dallas:
Addison-Wesley Publishing Company,INC,
1965.
Textbook.