Dyfyniad APA

Distribution of Students by Mathematics Achievement Level & Grade. US Department of Education.

Dyfyniad Arddull Chicago

Distribution of Students by Mathematics Achievement Level & Grade. US Department of Education.

Dyfyniad MLA

Distribution of Students by Mathematics Achievement Level & Grade. US Department of Education.

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