Nepal National Conservation Strategy Implementation Programme & International Union for Conservation of Nature and Natural Resources. (1991). Environmental pollution in Nepal: A review of studies. National Conservation Strategy Implementation Programme, National Planning Commission, HMG Nepal, in collaboration with IUCN.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNepal National Conservation Strategy Implementation Programme এবং International Union for Conservation of Nature and Natural Resources. Environmental Pollution in Nepal: A Review of Studies. Kathmandu, Nepal: National Conservation Strategy Implementation Programme, National Planning Commission, HMG Nepal, in collaboration with IUCN, 1991.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNepal National Conservation Strategy Implementation Programme এবং International Union for Conservation of Nature and Natural Resources. Environmental Pollution in Nepal: A Review of Studies. National Conservation Strategy Implementation Programme, National Planning Commission, HMG Nepal, in collaboration with IUCN, 1991.