Dyfyniad APA

(2000). Distribution of Public School Teachers by Collaborative Activities. U.S. Department of Education.

Dyfyniad Arddull Chicago

Distribution of Public School Teachers by Collaborative Activities. U.S. Department of Education, 2000.

Dyfyniad MLA

Distribution of Public School Teachers by Collaborative Activities. U.S. Department of Education, 2000.

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