Gaya APA
Gandadisastra, S. (1980).
The Prospect of Small Scale Mines for Industrial Minerals in Indonesia .
Bandung:
departemen of mines and energy.
Gaya MLA
Gandadisastra, Samsa.
"The Prospect of Small Scale Mines for Industrial Minerals in Indonesia".
Bandung:
departemen of mines and energy,
1980.
Text.