Gaya APA

Resources, M, O, E, A, M. (2006). Proceeding international symposium on lower rank coal (buku 1) . Bandung: Ministry of Energy and Mineral Resources.

Gaya MLA

Resources, Ministry, Of, Energy, And, Mineral. "Proceeding international symposium on lower rank coal (buku 1)". Bandung: Ministry of Energy and Mineral Resources, 2006. Prosiding/Procceding.