APA ציטוט

Orley Ashenfelter, D. C. (2011). Handbook of Labor Economics. ELSEVIER.

Chicago Style (17th ed.) Citation

Orley Ashenfelter, David Card. Handbook of Labor Economics. ELSEVIER, 2011.

ציטוט MLA

Orley Ashenfelter, David Card. Handbook of Labor Economics. ELSEVIER, 2011.