APA引文

James J. Heckman, E. E. L. (2007). Handbook of Econometrics. ELSEVIER.

Chicago Style (17th ed.) Citation

James J. Heckman, Edward E. Leamer. Handbook of Econometrics. ELSEVIER, 2007.

MLA引文

James J. Heckman, Edward E. Leamer. Handbook of Econometrics. ELSEVIER, 2007.

警告：這些引文格式不一定是100％准確.