Gaya APA

H.WOLVEKAMP, . (1912). Report On The Investigation Of Iron Ore And Coal On The Island Of Seboekoe. . Bandung: direktorat geologi pusat sumber daya geologi ..

Gaya MLA

H.WOLVEKAMP, . "Report On The Investigation Of Iron Ore And Coal On The Island Of Seboekoe.". Bandung: direktorat geologi pusat sumber daya geologi ., 1912. Logam.