Leith, J. C. (1974). Foreign trade regimes and economic development: Ghana. Nat'l Bureau of Economic Research.
芝加哥风格引文Leith, J. Clark. Foreign Trade Regimes and Economic Development: Ghana. New York: Nat'l Bureau of Economic Research, 1974.
MLA引文Leith, J. Clark. Foreign Trade Regimes and Economic Development: Ghana. Nat'l Bureau of Economic Research, 1974.
警告：这些引文格式不一定是100％准确.