Gault, J. C. (1985). The Economics of Natural Gas in Developing Countries. ELSEVIER.
芝加哥风格引文Gault, John C. The Economics of Natural Gas in Developing Countries. ELSEVIER, 1985.
MLA引文Gault, John C. The Economics of Natural Gas in Developing Countries. ELSEVIER, 1985.
警告：这些引文格式不一定是100％准确.