Gaya APA
Turak, Al. A. (1989).
Asbuton Refining Plant .
Canada:
PT Virama Karya.
Gaya Chicago
Turak, Al. A.
Asbuton Refining Plant.
Canada:
PT Virama Karya,
1989.
Text.
Gaya MLA
Turak, Al. A.
Asbuton Refining Plant.
Canada:
PT Virama Karya,
1989.
Text.
Gaya Turabian
Turak, Al. A.
Asbuton Refining Plant.
Canada:
PT Virama Karya,
1989.
Print.