(1999). Regional development profile of Ewaso Ng'iro North River Basin in Kenya. United Nations Centre for Regional Development.
Cita Chicago (17th ed.)Regional Development Profile of Ewaso Ng'iro North River Basin in Kenya. Nagoya: United Nations Centre for Regional Development, 1999.
Cita MLA (9th ed.)Regional Development Profile of Ewaso Ng'iro North River Basin in Kenya. United Nations Centre for Regional Development, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.