Dyfyniad APA

(1981). Educational Statistics in OECD Countries. Organisation for Economic Co Operation and Development.

Dyfyniad Arddull Chicago

Educational Statistics in OECD Countries. Organisation for Economic Co Operation and Development, 1981.

Dyfyniad MLA

Educational Statistics in OECD Countries. Organisation for Economic Co Operation and Development, 1981.

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