Gaya APA

Thaib, J. (1977). Proceedings Of The Second Symposium Integrated Geological Survey Of Northen Sumatra Page 1-101 . Bandung: Direktorat Sumber Daya Mineral.

Gaya MLA

Thaib, Juliar. "Proceedings Of The Second Symposium Integrated Geological Survey Of Northen Sumatra Page 1-101". Bandung: Direktorat Sumber Daya Mineral, 1977. Text.