Gaya APA

HARDJONO, ., SOEBROTO, . (1971). On The Occurrences Of Economic Mineral Deposits In Timor(Indonesia)(Compiled from published and unpublished reports of the geological survay of indonesia) . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

HARDJONO, ., SOEBROTO, . "On The Occurrences Of Economic Mineral Deposits In Timor(Indonesia)(Compiled from published and unpublished reports of the geological survay of indonesia)". Bandung: Pusat Sumber Daya Geologi, 1971. Logam.