APA (7e ed.) Bronvermelding

Percentile Distribution of Writing Performance Scores: 1984-96. US Department of Education.

Chicago (17e ed.) Bronvermelding

Percentile Distribution of Writing Performance Scores: 1984-96. US Department of Education.

MLA (9e ed.) Bronvermelding

Percentile Distribution of Writing Performance Scores: 1984-96. US Department of Education.

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