Ashenfelter, O., & Rouse, C. (1999). Schooling, intelligence, and income in America: Cracks in the bell curve. National Bureau of Economic Research.
芝加哥风格引文Ashenfelter, Orley, 与 Cecilia Rouse. Schooling, Intelligence, and Income in America: Cracks in the Bell Curve. Cambridge: National Bureau of Economic Research, 1999.
MLA引文Ashenfelter, Orley, 与 Cecilia Rouse. Schooling, Intelligence, and Income in America: Cracks in the Bell Curve. National Bureau of Economic Research, 1999.
警告：这些引文格式不一定是100％准确.