Dyfyniad APA

Hanushek, E. A., & Welch, F. (2006). Handbook of the economics of education. Elsevier.

Dyfyniad Arddull Chicago

Hanushek, Eric Alan, and Finis Welch. Handbook of the Economics of Education. Amsterdam: Elsevier, 2006.

Dyfyniad MLA

Hanushek, Eric Alan, and Finis Welch. Handbook of the Economics of Education. Elsevier, 2006.

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