Gaya APA

Pujobroto, D, I, A. (2006). Laporan Joint Study on Evaluation of Coal Resources And Reserves in Indonesia . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Pujobroto, Dr., Ir., Agus. "Laporan Joint Study on Evaluation of Coal Resources And Reserves in Indonesia". Bandung: Pusat Sumber Daya Geologi, 2006. Deskwork.