APA
UN Asian Institute for Economic Development and Planning (Bangkok), . (1969). Studies on the Mekong. Bangkok: United Nations.
Chicago
UN Asian Institute for Economic Development and Planning (Bangkok), . 1969. Studies on the Mekong. Bangkok: United Nations.
Harvard
UN Asian Institute for Economic Development and Planning (Bangkok), . (1969). Studies on the Mekong. Bangkok: United Nations.
MLA
UN Asian Institute for Economic Development and Planning (Bangkok), . Studies on the Mekong. Bangkok: United Nations. 1969.