Karunanayake, M. M. (1992). An environmental profile of the Badulla District. Central Environmental Authority, Ministry of Environment & Parliamentary Affairs.
Citace podle Chicago (17th ed.)Karunanayake, M. M. An Environmental Profile of the Badulla District. Colombo: Central Environmental Authority, Ministry of Environment & Parliamentary Affairs, 1992.
Citace podle MLA (8th ed.)Karunanayake, M. M. An Environmental Profile of the Badulla District. Central Environmental Authority, Ministry of Environment & Parliamentary Affairs, 1992.
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