APA
United Nations. International Economic and Social Affairs (Department of ....), United Nations. International Economic and Social Affairs (Department of ....), . (1988). Modelling of world economic development. New York: United Nations U. S. A.
Chicago
United Nations. International Economic and Social Affairs (Department of ....), United Nations. International Economic and Social Affairs (Department of ....), . 1988. Modelling of world economic development. New York: United Nations U. S. A.
Harvard
United Nations. International Economic and Social Affairs (Department of ....), United Nations. International Economic and Social Affairs (Department of ....), . (1988). Modelling of world economic development. New York: United Nations U. S. A.
MLA
United Nations. International Economic and Social Affairs (Department of ....), United Nations. International Economic and Social Affairs (Department of ....), . Modelling of world economic development. New York: United Nations U. S. A. 1988.
