Gaya APA
Wilcke, J. (1986).
MELAWI RIVER GOLD PROJECT West-Kalimantan/Indonesia First Results Of a 4 Days Recon. Survey 17 - 20th October, 1985 .
Bandung:
Pusat Sumber Daya Geologi.
Gaya MLA
Wilcke, Joachin.
"MELAWI RIVER GOLD PROJECT West-Kalimantan/Indonesia First Results Of a 4 Days Recon. Survey 17 - 20th October, 1985".
Bandung:
Pusat Sumber Daya Geologi,
1986.
Logam.