Gaya APA

Mulhadiono, . (1976). DEPOSITIONAL STUDY OF THE LOWER KEUTAPANG SANDTONE IN THE ARU AREA, NORTH SUMATRA . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Mulhadiono, . "DEPOSITIONAL STUDY OF THE LOWER KEUTAPANG SANDTONE IN THE ARU AREA, NORTH SUMATRA". Bandung: Pusat Sumber Daya Geologi, 1976. Geologi Tata Lingkungan.