APA引文

Gordon Hughes. (1999). Economic reform and environmental performance in transition economies. Washington DC: The World Bank.

Trích dẫn kiểu Chicago

Gordon Hughes. Economic Reform and Environmental Performance in Transition Economies. Washington DC: The World Bank, 1999.

MLA引文

Gordon Hughes. Economic Reform and Environmental Performance in Transition Economies. Washington DC: The World Bank, 1999.

警告：這些引文格式不一定是100％准確.