Gaya APA

Geologi, P, S, D. (1965). protocol of Joint Technical meeting Of Indonesian Specialists of PBBK and soviet Specialis carrying Out works Of Contact . Bandung: Pusat Sumber Daya Geologi.

Gaya MLA

Geologi, Pusat, Sumber, Daya. "protocol of Joint Technical meeting Of Indonesian Specialists of PBBK and soviet Specialis carrying Out works Of Contact". Bandung: Pusat Sumber Daya Geologi, 1965. Batubara.