Gaya APA

DIREKTORI PERTAMBANGAN ENERGI DAN SUMBER DAYA MINERAL : DIRECTORY OF ENERGY AND MINERAL RESOURCES MINING. (2004). JAKARTA: DEPARTMENT OF ENERGY AND MINERAL RESOURCES.

Gaya MLA

DIREKTORI PERTAMBANGAN ENERGI DAN SUMBER DAYA MINERAL : DIRECTORY OF ENERGY AND MINERAL RESOURCES MINING. . JAKARTA: DEPARTMENT OF ENERGY AND MINERAL RESOURCES, 2004. Umum.