Gaya APA
Widi, B, N. et al (2008).
Mineralization System Of The Iron Ore Deposits In Bontocani Distric And Its Adjacent, Bone Regency South Sulawesi .
Bandung:
Pusat Sumber Daya Geologi.
Gaya MLA
Widi, Bambang, Nugroho. et al.
"Mineralization System Of The Iron Ore Deposits In Bontocani Distric And Its Adjacent, Bone Regency South Sulawesi".
Bandung:
Pusat Sumber Daya Geologi,
2008.
Fungsional.