Beier, G. (1975). The task ahead for the cities of the developing countries. World Bank.
芝加哥风格引文Beier, George. The Task Ahead for the Cities of the Developing Countries. Washington: World Bank, 1975.
MLA引文Beier, George. The Task Ahead for the Cities of the Developing Countries. World Bank, 1975.
警告：这些引文格式不一定是100％准确.