Gaya APA
M.K.G.Whateley, . (1985).
The Deposisition History Of The Sediments In The Ombilin II Project Area ,With Reference To Exsploration And Mining Aplications Of The Depositional Model Preliminary Report. .
Bandung:
Pusat Sumber Daya Geologi.
Gaya MLA
M.K.G.Whateley, .
"The Deposisition History Of The Sediments In The Ombilin II Project Area ,With Reference To Exsploration And Mining Aplications Of The Depositional Model Preliminary Report.".
Bandung:
Pusat Sumber Daya Geologi,
1985.
Batubara.