APA (7e ed.) Bronvermelding
Henry, N. B. (1957). In-service education for teachers, supervisors, and administrators. Chicago Press.
Chicago (17e ed.) Bronvermelding
Henry, Nelson B. In-service Education for Teachers, Supervisors, and Administrators. Illinois: Chicago Press, 1957.
MLA (9e ed.) Bronvermelding
Henry, Nelson B. In-service Education for Teachers, Supervisors, and Administrators. Chicago Press, 1957.
Let op: Deze citaties zijn niet altijd 100% accuraat.