APA
United Nations. Economic and Social Commission for Asia and the Pacific (Bangkok T., . (1984). Updated guidebook on biogas development. New York: United Nations.
Chicago
United Nations. Economic and Social Commission for Asia and the Pacific (Bangkok Thailand), . 1984. Updated guidebook on biogas development. New York: United Nations.
Harvard
United Nations. Economic and Social Commission for Asia and the Pacific (Bangkok T., . (1984). Updated guidebook on biogas development. New York: United Nations.
MLA
United Nations. Economic and Social Commission for Asia and the Pacific (Bangkok Thailand), . Updated guidebook on biogas development. New York: United Nations. 1984.