David Card, O. A. (2011). Handbook of Labor Economics. ELSEVIER.
芝加哥风格引文David Card, Orley Ashenfelter. Handbook of Labor Economics. ELSEVIER, 2011.
MLA引文David Card, Orley Ashenfelter. Handbook of Labor Economics. ELSEVIER, 2011.
警告：这些引文格式不一定是100％准确.