Gaya APA
Marshall, T. (1970).
The Development of Titaniferous Ironsand Smelting .
Bandung:
Direktorat Sumber Daya Mineral.
Gaya MLA
Marshall, T..
"The Development of Titaniferous Ironsand Smelting".
Bandung:
Direktorat Sumber Daya Mineral,
1970.
Umum.