Gaya APA

Redenz, D, H. (1957). Charcoal As Metallurgical Fuel For an Indonesian Fig-Iron Production . Bandung: Dinas Vulkanologi Bagian Projek Survey Enersi Geothermal.

Gaya MLA

Redenz, Dr.-Ing., H.. "Charcoal As Metallurgical Fuel For an Indonesian Fig-Iron Production". Bandung: Dinas Vulkanologi Bagian Projek Survey Enersi Geothermal, 1957. Batubara.