Gunatilake, H., Wickramasinghe, W., & Abeygunawardena, P. (2007). Time preference and natural resource use by local communities: The case of Sinharaja forest in Sri Lanka. Asian Development Bank.
Chicago Style (17. basım) AtıfGunatilake, H.M, W.A.R Wickramasinghe, ve P. Abeygunawardena. Time Preference and Natural Resource Use by Local Communities: The Case of Sinharaja Forest in Sri Lanka. Mandaluyong City: Asian Development Bank, 2007.
MLA (9th ed.) AtıfGunatilake, H.M, et al. Time Preference and Natural Resource Use by Local Communities: The Case of Sinharaja Forest in Sri Lanka. Asian Development Bank, 2007.
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