Gaya APA

Hasibuan, S, S. (2009). INDONESIA Mineral, Coal, Geothermal, and Ground Water Statistics 2009 . Bandung: Directorate Program Supervision Of Mineral, Coil and Geothermal.

Gaya MLA

Hasibuan, Sukma, Saleh. "INDONESIA Mineral, Coal, Geothermal, and Ground Water Statistics 2009". Bandung: Directorate Program Supervision Of Mineral, Coil and Geothermal, 2009. Text.