(1996). Statistik Gas Kota = City Gas Statistics 1991-1995. Biro Pusat Statistik.
Chicago Style (17th ed.) CitationStatistik Gas Kota = City Gas Statistics 1991-1995. Biro Pusat Statistik, 1996.
MLA引文Statistik Gas Kota = City Gas Statistics 1991-1995. Biro Pusat Statistik, 1996.
警告：这些引文格式不一定是100％准确.