(1999). Regional development profile of Ewaso Ng'iro North River Basin in Kenya. United Nations Centre for Regional Development.
芝加哥风格引文Regional Development Profile of Ewaso Ng'iro North River Basin in Kenya. Nagoya: United Nations Centre for Regional Development, 1999.
MLA引文Regional Development Profile of Ewaso Ng'iro North River Basin in Kenya. United Nations Centre for Regional Development, 1999.
警告：这些引文格式不一定是100％准确.