Gaya APA

Hooper,R,W., . (1976). Feasibility Study Report and Feasibility Report Presentation Supplementary Finacial Evaluation . : Direktorat Bina Sarana Usaha Pertambangan Umum.

Gaya MLA

Hooper,R,W., . "Feasibility Study Report and Feasibility Report Presentation Supplementary Finacial Evaluation". : Direktorat Bina Sarana Usaha Pertambangan Umum, 1976. Text.