Gaya APA
Harjanto, S. (1995).
Potential of some industrial minerals in Indonesia .
Bandung:
Direktorat Sumber Daya Mineral.
Gaya MLA
Harjanto, Sarno.
"Potential of some industrial minerals in Indonesia".
Bandung:
Direktorat Sumber Daya Mineral,
1995.
Text.