APA
United Nations. Economic and Social Commission for Asia and the Pacific, . (1997). Guidelines and manual on land-use planning and practices in watershed management and disaster reduction. Geneva: United Nations.
Chicago
United Nations. Economic and Social Commission for Asia and the Pacific, . 1997. Guidelines and manual on land-use planning and practices in watershed management and disaster reduction. Geneva: United Nations.
Harvard
United Nations. Economic and Social Commission for Asia and the Pacific, . (1997). Guidelines and manual on land-use planning and practices in watershed management and disaster reduction. Geneva: United Nations.
MLA
United Nations. Economic and Social Commission for Asia and the Pacific, . Guidelines and manual on land-use planning and practices in watershed management and disaster reduction. Geneva: United Nations. 1997.