APA
Thailand. Office of Environmental Policy and Planning, . (1997). Policy and perspective plan for enhancement and conservation of national environmental quality, 1997-2016. : Office.
Chicago
Thailand. Office of Environmental Policy and Planning, . 1997. Policy and perspective plan for enhancement and conservation of national environmental quality, 1997-2016. : Office.
Harvard
Thailand. Office of Environmental Policy and Planning, . (1997). Policy and perspective plan for enhancement and conservation of national environmental quality, 1997-2016. : Office.
MLA
Thailand. Office of Environmental Policy and Planning, . Policy and perspective plan for enhancement and conservation of national environmental quality, 1997-2016. : Office. 1997.
