APA (7e ed.) Bronvermelding
Hwang, P. (1930). Errors and improvement in rating English compositions by means of a composition scale.
Chicago (17e ed.) Bronvermelding
Hwang, Pu. Errors and Improvement in Rating English Compositions by Means of a Composition Scale. New York, 1930.
MLA (9e ed.) Bronvermelding
Hwang, Pu. Errors and Improvement in Rating English Compositions by Means of a Composition Scale. 1930.
Let op: Deze citaties zijn niet altijd 100% accuraat.