Gaya APA
CGR-CSIRO, T, J, S. (2009).
Joint Study On Evaluation Of Coal Bed Methane (CBM) And Hydrocarbon Resources In Ombilin Basin, West Sumatera .
Bandung:
Departemen Pertambangan Direktorat Jendral Pertambangan Direktorat Geologi.
Gaya MLA
CGR-CSIRO, Tim, Joint, Study.
"Joint Study On Evaluation Of Coal Bed Methane (CBM) And Hydrocarbon Resources In Ombilin Basin, West Sumatera".
Bandung:
Departemen Pertambangan Direktorat Jendral Pertambangan Direktorat Geologi,
2009.
Batubara.