ebrary, Inc, Adar, K. G., & Check, N. A. (2011). The Nile River and the riparian states. Africa Institute of South Africa.
芝加哥风格引文ebrary, Inc, Korwa G. Adar, 与 Nicasius A. Check. The Nile River and the Riparian States. Pretoria, South Africa: Africa Institute of South Africa, 2011.
MLA引文ebrary, Inc, et al. The Nile River and the Riparian States. Africa Institute of South Africa, 2011.
警告：这些引文格式不一定是100％准确.