Gaya APA

Rohland, D, I, W. (1959). Preliminari Report Of The 1958/59 Investigations On The Ore And Coal Deposits In Kalimantan "Wedexro" 1959 . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Rohland, Dr., Ing., W.. "Preliminari Report Of The 1958/59 Investigations On The Ore And Coal Deposits In Kalimantan "Wedexro" 1959". Bandung: Pusat Sumber Daya Geologi, 1959. Batubara.