Pabie, E. D. (1998). Gap between rich and poor wider - World Bank. Today.
芝加哥风格引文Pabie, Edna D. "Gap Between Rich and Poor Wider - World Bank." Today 1998.
MLA引文Pabie, Edna D. "Gap Between Rich and Poor Wider - World Bank." Today, 1998.
警告：这些引文格式不一定是100％准确.