Dyfyniad APA

(1993). Natural gas in developing countries: Evaluating the benefits to the environment. World Bank.

Dyfyniad Arddull Chicago

Natural Gas in Developing Countries: Evaluating the Benefits to the Environment. Washington, D.C: World Bank, 1993.

Dyfyniad MLA

Natural Gas in Developing Countries: Evaluating the Benefits to the Environment. World Bank, 1993.

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