Gaya APA

Geologi, P, S, D. (1984). Dredging Of Peat An Introductionary View Of Peat Exploration In Indonesia . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Geologi, Pusat, Sumber, Daya. "Dredging Of Peat An Introductionary View Of Peat Exploration In Indonesia". Bandung: Pusat Sumber Daya Geologi, 1984. Batubara.