APA
International Bank for Reconstruction and Development (Washington), . (1961). World trade trends and patterns. Washington: IBRD.
Chicago
International Bank for Reconstruction and Development (Washington), . 1961. World trade trends and patterns. Washington: IBRD.
Harvard
International Bank for Reconstruction and Development (Washington), . (1961). World trade trends and patterns. Washington: IBRD.
MLA
International Bank for Reconstruction and Development (Washington), . World trade trends and patterns. Washington: IBRD. 1961.