APA (7e ed.) Bronvermelding
Douglass, B. C. (1923). Professional and economic Status of the city superintendent of schools in the United States.
Chicago (17e ed.) Bronvermelding
Douglass, Bennett Cooper. Professional and Economic Status of the City Superintendent of Schools in the United States. New York, 1923.
MLA (9e ed.) Bronvermelding
Douglass, Bennett Cooper. Professional and Economic Status of the City Superintendent of Schools in the United States. 1923.
Let op: Deze citaties zijn niet altijd 100% accuraat.