Hanushek E., W. F. (2006). Handbook of the Economics of Education. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Hanushek E., Welch F. Handbook of the Economics of Education. ELSEVIER, 2006.
Lua MLA (8ú heag.)Hanushek E., Welch F. Handbook of the Economics of Education. ELSEVIER, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.