Gaya APA

L.H.Krol, . (1917). Special Report About The Tron Ore Occurrences Of Gunung Tembaga Near Pleaiari.District Of Tanah Laut . Jakarta: Pusat Sumber Daya Geologi.

Gaya MLA

L.H.Krol, . "Special Report About The Tron Ore Occurrences Of Gunung Tembaga Near Pleaiari.District Of Tanah Laut". Jakarta: Pusat Sumber Daya Geologi, 1917. Logam.