Gaya APA

Holder, M, T. (1989). GRDC 1:250,000 scale geological map and report series, proposals for connect and format for Southern Sumatra Reports. . Bandung: John Wiley & Sons. Inc.

Gaya MLA

Holder, M, T. "GRDC 1:250,000 scale geological map and report series, proposals for connect and format for Southern Sumatra Reports.". Bandung: John Wiley & Sons. Inc, 1989. Logam.