Dyfyniad APA

(2000). Percentage of Higher Education Institutions Offering Distance Ed Courses. U.S. Department of Education.

Dyfyniad Arddull Chicago

Percentage of Higher Education Institutions Offering Distance Ed Courses. U.S. Department of Education, 2000.

Dyfyniad MLA

Percentage of Higher Education Institutions Offering Distance Ed Courses. U.S. Department of Education, 2000.

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