Dyfyniad APA

Average Mathematics Scores of Public School Students in 4th-, & 8th- Grade.

Dyfyniad Arddull Chicago

Average Mathematics Scores of Public School Students in 4th-, & 8th- Grade.

Dyfyniad MLA

Average Mathematics Scores of Public School Students in 4th-, & 8th- Grade.

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