Gaya APA
Kinhill, . (1983).
South Sumatra Coal Exploration Project Muara Tiga Besar Feasibilty Study .
Bandung:
Directorate General Of Mines.
Gaya MLA
Kinhill, .
"South Sumatra Coal Exploration Project Muara Tiga Besar Feasibilty Study".
Bandung:
Directorate General Of Mines,
1983.
Batubara.