Lua APA (7ú heag.)

Orley C. Ashenfelter and David Card. (1999). Handbook of Labor Economics. ELSEVIER.

Lua i Stíl Chicago (17ú heag.)

Orley C. Ashenfelter and David Card. Handbook of Labor Economics. ELSEVIER, 1999.

Lua MLA (8ú heag.)

Orley C. Ashenfelter and David Card. Handbook of Labor Economics. ELSEVIER, 1999.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.