APA (7. basım) Alıntı

Percentage of Higher Education Institutions Offering Distance Ed Courses. US Department of Education.

Chicago Style (17. basım) Atıf

Percentage of Higher Education Institutions Offering Distance Ed Courses. US Department of Education.

MLA (8th ed.) Atıf

Percentage of Higher Education Institutions Offering Distance Ed Courses. US Department of Education.

Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..