(1993). Natural gas in developing countries: Evaluating the benefits to the environment. World Bank.
芝加哥风格引文Natural Gas in Developing Countries: Evaluating the Benefits to the Environment. Washington, D.C: World Bank, 1993.
MLA引文Natural Gas in Developing Countries: Evaluating the Benefits to the Environment. World Bank, 1993.
警告：这些引文格式不一定是100％准确.