APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.