Gaya APA

Klees, M, E, C. (1957). The Coal Deposits From Bajah And Tjimandiri In South-West Java And An Apprasisal Of Their Mining And Quality Aspects. "Wedexro" Vol. 3, Fasc. 5, 1957. . Bandung: Direktorat Sumber Daya Mineral.

Gaya MLA

Klees, Min., Eng., Ch.. "The Coal Deposits From Bajah And Tjimandiri In South-West Java And An Apprasisal Of Their Mining And Quality Aspects. "Wedexro" Vol. 3, Fasc. 5, 1957.". Bandung: Direktorat Sumber Daya Mineral, 1957. Batubara.