Gaya APA
Kuzmanovic, B, O., Willems, N. (1977).
Steel Design For Structural Engineers .
New Jersey:
Prentice Hall.
Gaya MLA
Kuzmanovic, Bogdan, O.., Willems, Nicholas.
"Steel Design For Structural Engineers".
New Jersey:
Prentice Hall,
1977.
Buku TP.