Pavcnik, N. (2000). What explains skill upgrading in less developed countries? National Bureau of Economic Research.
芝加哥风格引文Pavcnik, Nina. What Explains Skill Upgrading in Less Developed Countries? Cambridge: National Bureau of Economic Research, 2000.
MLA引文Pavcnik, Nina. What Explains Skill Upgrading in Less Developed Countries? National Bureau of Economic Research, 2000.
警告：这些引文格式不一定是100％准确.