Dyfyniad APA

(2000). International Comparisons of Expenditures for Education. U.S. Department of Education.

Dyfyniad Arddull Chicago

International Comparisons of Expenditures for Education. U.S. Department of Education, 2000.

Dyfyniad MLA

International Comparisons of Expenditures for Education. U.S. Department of Education, 2000.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.