Gaya APA
BPT/PBG, T, R. (1965).
Progress Report Research Pig Iron Tjilatjap Ke. I .
Bandung:
Direktorat Pertambangan.
Gaya MLA
BPT/PBG, Team, Research.
"Progress Report Research Pig Iron Tjilatjap Ke. I".
Bandung:
Direktorat Pertambangan,
1965.
Text.