APA aipamena

James J. Heckman, E. L. (2001). Handbook of Econometrics. ELSEVIER.

Chicago Style aipamena

James J. Heckman, Edward Leamer. Handbook of Econometrics. ELSEVIER, 2001.

MLA aipamena

James J. Heckman, Edward Leamer. Handbook of Econometrics. ELSEVIER, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.