Gaya APA
Djaswadi, S. (1993).
Prospective of Base Metal Minerals in Indonesia: Special Publication .
Bandung:
Ministry Of Mines R.I.
Gaya MLA
Djaswadi, Sukirno.
"Prospective of Base Metal Minerals in Indonesia: Special Publication".
Bandung:
Ministry Of Mines R.I,
1993.
Text.