Dyfyniad APA

(2000). Percentage of Adults Who Scored at Level 3 or Above in Document Literacy. U.S. Department of Education.

Dyfyniad Arddull Chicago

Percentage of Adults Who Scored at Level 3 or Above in Document Literacy. U.S. Department of Education, 2000.

Dyfyniad MLA

Percentage of Adults Who Scored at Level 3 or Above in Document Literacy. U.S. Department of Education, 2000.

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