Davis, D. R., & Weinstein, D. E. (1998). market access, economic geography and comparative advantage: An empirical assessment. National Bureau of Economic Research.
芝加哥风格引文Davis, Donald R., 与 David E. Weinstein. Market Access, Economic Geography and Comparative Advantage: An Empirical Assessment. Cambridge: National Bureau of Economic Research, 1998.
MLA引文Davis, Donald R., 与 David E. Weinstein. Market Access, Economic Geography and Comparative Advantage: An Empirical Assessment. National Bureau of Economic Research, 1998.
警告：这些引文格式不一定是100％准确.