APA (7e ed.) Bronvermelding

(2000). Preprimary Education Enrollment. U.S. Department of Education.

Chicago (17e ed.) Bronvermelding

Preprimary Education Enrollment. U.S. Department of Education, 2000.

MLA (9e ed.) Bronvermelding

Preprimary Education Enrollment. U.S. Department of Education, 2000.

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