Gaya APA
PAGE, B. (1975).
INTEGRATED GEOLOGICAL OF NORTHERN SUMTRA PROJECT CTA 37 .
Bandung:
Direktorat Sumber Daya Mineral.
Gaya MLA
PAGE, B.G.N.
"INTEGRATED GEOLOGICAL OF NORTHERN SUMTRA PROJECT CTA 37".
Bandung:
Direktorat Sumber Daya Mineral,
1975.
Geologi Umum.