Gaya APA

Co, P, J, M. (1975). REPORT ON THE FIELD EXAMTNATION OF K.P. 709/710/711/713 KALIMANTAN TIMUR . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Co, P.T.Nusantara, Jaya, Mining. "REPORT ON THE FIELD EXAMTNATION OF K.P. 709/710/711/713 KALIMANTAN TIMUR". Bandung: Pusat Sumber Daya Geologi, 1975. Logam.