Gaya APA

Rutten, W, H, &, L. (1963). Geographical-Geological Description Of The Coastal Area Between Bontang & The River Of Santan(East Borneo) . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Rutten, W., Hotz, &, L.. "Geographical-Geological Description Of The Coastal Area Between Bontang & The River Of Santan(East Borneo)". Bandung: Pusat Sumber Daya Geologi, 1963. Batubara.