Abeynayake, K. (1992). An environmental profile of the Kalutara District. Central Environmental Authority : Ministry of Environment & Parliamentary Affairs.
Citace podle Chicago (17th ed.)Abeynayake, K. An Environmental Profile of the Kalutara District. Colombo, Sri Lanka: Central Environmental Authority : Ministry of Environment & Parliamentary Affairs, 1992.
Citace podle MLA (8th ed.)Abeynayake, K. An Environmental Profile of the Kalutara District. Central Environmental Authority : Ministry of Environment & Parliamentary Affairs, 1992.
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