Gaya APA
Marino, . (1974).
Report On A Resistivity Survey In The Paguyuman Gold Prospect Gorontalo, Sulawesi Utara .
Bandung:
Pusat Sumber Daya Geologi.
Gaya MLA
Marino, .
"Report On A Resistivity Survey In The Paguyuman Gold Prospect Gorontalo, Sulawesi Utara".
Bandung:
Pusat Sumber Daya Geologi,
1974.
Logam.