APA (7e ed.) Bronvermelding

Yearbook / Association for Supervision and Curriculum Development of the National Education Association.

Chicago (17e ed.) Bronvermelding

Yearbook / Association for Supervision and Curriculum Development of the National Education Association.

MLA (9e ed.) Bronvermelding

Yearbook / Association for Supervision and Curriculum Development of the National Education Association.

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