Gaya APA

M, D, G, O, M, C, A, G, ;, D, O, E, A. (2007). Mineral, Coal and Geothermal 2007 . : Dirjen Minerpabum.

Gaya MLA

M, DIRECTORATE, General, Of, Mineral,, Coal, And, Geothermal, ;, Department, Of, Energy, And. "Mineral, Coal and Geothermal 2007". : Dirjen Minerpabum, 2007. Buku.