Gaya APA
St, D., Nasiona, A. (1987).
Specification and test method carbon steel pipes for general structural purposes (1987).
:
Jakarta : DSN,.
Gaya MLA
St, Dewan., Nasiona, Ardisasi.
"Specification and test method carbon steel pipes for general structural purposes".
1987
:
Jakarta : DSN,,
1987.
Text.