Gaya APA
ADRIANTO, B. (1982).
AN ENVIRONMENTAL STUDY AT PT KOBA TIN, BANGKA ISLAND .
Bandung:
Directorate General Of Mines.
Gaya MLA
ADRIANTO, BOBBY.
"AN ENVIRONMENTAL STUDY AT PT KOBA TIN, BANGKA ISLAND".
Bandung:
Directorate General Of Mines,
1982.
Geologi Umum.