Gaya APA
Paryono, H. (1989).
Design crude distilasi basic process design of depropanizer (Fotocopy) (1989).
:
Cepu : PPT Migas-Akamigas,.
Gaya MLA
Paryono, H.
"Design crude distilasi basic process design of depropanizer (Fotocopy)".
1989
:
Cepu : PPT Migas-Akamigas,,
1989.
Text.