Gaya APA

Rohland, W. (1960). Main Report Of The 1959/59 Investigations, On The Ore And Coal Deposits In "Wedexro" Vol. 8, 1960. . Bandung: Direktorat Sumber Daya Mineral.

Gaya MLA

Rohland, W.. "Main Report Of The 1959/59 Investigations, On The Ore And Coal Deposits In "Wedexro" Vol. 8, 1960.". Bandung: Direktorat Sumber Daya Mineral, 1960. Batubara.