Gaya APA

Statistik, B, P. (1991). Statistik Pertambangan Non Minyak dan Gas Bumi 1989 = Mining Statistics Excluding Petroleum and Natural Gas of Indonesia . Jakarta: Biro Pusat Statistik.

Gaya MLA

Statistik, Biro, Pusat. "Statistik Pertambangan Non Minyak dan Gas Bumi 1989 = Mining Statistics Excluding Petroleum and Natural Gas of Indonesia". Jakarta: Biro Pusat Statistik, 1991. Text.