Gaya APA
(IPA), I, P, A. (1986).
Fifteenth Annual Convention Indonesian Petroleum Association ; Proceedings - Volume 1 .
Jakarta:
Jakarta : Indonesian Petroleum Association,.
Gaya MLA
(IPA), Indonesia, Petroleum, Ass.
"Fifteenth Annual Convention Indonesian Petroleum Association ; Proceedings - Volume 1".
Jakarta:
Jakarta : Indonesian Petroleum Association,,
1986.
Text.