Hanushek, E. A., & Welch, F. (2006). Handbook of the economics of education. Elsevier.
Lua i Stíl Chicago (17ú heag.)Hanushek, Eric Alan, agus Finis Welch. Handbook of the Economics of Education. Amsterdam: Elsevier, 2006.
Lua MLA (9ú heag.)Hanushek, Eric Alan, agus Finis Welch. Handbook of the Economics of Education. Elsevier, 2006.
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