Gaya APA

Ottenburgs, D, R. (). Preliminary Report About The Mineralization In The Study Area In West-kalimantan . Kalimantan Tengah: Direktorat Sumber Daya Mineral.

Gaya MLA

Ottenburgs, Dr., R.. "Preliminary Report About The Mineralization In The Study Area In West-kalimantan". Kalimantan Tengah: Direktorat Sumber Daya Mineral, . Encyclopaedia.