Eric A. Hanushek, S. M. (2011). Handbook of The Economics of Education. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Eric A. Hanushek, Stephen Machin. Handbook of The Economics of Education. ELSEVIER, 2011.
Lua MLA (8ú heag.)Eric A. Hanushek, Stephen Machin. Handbook of The Economics of Education. ELSEVIER, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.