APA
United Nations. Economic and Social Commssion for Asia and the Pacific, . (1999). Guidebook on trading with China. New York: United Nations.
Chicago
United Nations. Economic and Social Commssion for Asia and the Pacific, . 1999. Guidebook on trading with China. New York: United Nations.
Harvard
United Nations. Economic and Social Commssion for Asia and the Pacific, . (1999). Guidebook on trading with China. New York: United Nations.
MLA
United Nations. Economic and Social Commssion for Asia and the Pacific, . Guidebook on trading with China. New York: United Nations. 1999.