Gaya APA
St, D., Nasional, A. (1989).
Hot rolled steel for general structure (1989).
:
Jakarta: Dewan Standardisasi Nasional,.
Gaya MLA
St, Dewan., Nasional, Ardisasi.
"Hot rolled steel for general structure".
1989
:
Jakarta: Dewan Standardisasi Nasional,,
1989.
Text.