Chandler, David: A History of Cambodia. Westview Press (2007), s. 33. ISBN 0813343631.
Jessup, John E. An Encyclopedic Dictionary of Conflict and Conflict Resolution, 1945-1996. Greenwood Publishing Group (1998), p. 434. ISBN 0313281122.
Brune, Lester H. & Richard Dean Burns. Kronologisk historie US Foreign Relations. Routledge (2002), # PPA867, M1 s. 867. ISBN 041593916X.
Murdiyarso, D. "Water resources management policy responses to land cover change in South East Asian river basins". Forests, Water and People in the Humid Tropics: Past, Present and Future (M. Bonell & L.A. Bruijnzeel, editors). Cambridge University Press (2005), p. 124. ISBN 0521829534.
Dudgeon, David. Tropical Asian Streams: Zoobenthos, Ecology and Conservation. Hong Kong University Press (1999), p. 26. ISBN 9622094694.