Gaya APA

Simandjuntak, H, W., Burgath, K. (1986). Chromite Deposit in Indonesia . : Directorate of mineral resources directorate general of geology and mineral.

Gaya MLA

Simandjuntak, HR, Wilher., Burgath, KP. "Chromite Deposit in Indonesia". : Directorate of mineral resources directorate general of geology and mineral, 1986. Text.