Gaya APA

Kato, S. (1978). The Reconnaissance Survey Report On Berau Coal-Field In East Kalimantan. Nissho-Iwai Co., Ltd . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Kato, S.. "The Reconnaissance Survey Report On Berau Coal-Field In East Kalimantan. Nissho-Iwai Co., Ltd". Bandung: Pusat Sumber Daya Geologi, 1978. Batubara.