Gaya APA
St, D., Nasional, A. (1989).
General rules for inspection of steel (89).
:
Jakarta: Dewan Standardisasi Nasional,.
Gaya MLA
St, Dewan., Nasional, Ardisasi.
"General rules for inspection of steel".
89
:
Jakarta: Dewan Standardisasi Nasional,,
1989.
Text.