APA Style
Ilyas, S., S.M. Tobing. (1994).
Sungaimalam coal South Sumatra : coal exploration development report .
Jakarta:
PT. Triaryani.
Chicago Style
Ilyas, S., S.M. Tobing.
Sungaimalam coal South Sumatra : coal exploration development report.
Jakarta:
PT. Triaryani,
1994.
Text.
MLA Style
Ilyas, S., S.M. Tobing.
Sungaimalam coal South Sumatra : coal exploration development report.
Jakarta:
PT. Triaryani,
1994.
Text.
Turabian Style
Ilyas, S., S.M. Tobing.
Sungaimalam coal South Sumatra : coal exploration development report.
Jakarta:
PT. Triaryani,
1994.
Print.