APA (7e ed.) Bronvermelding

Ball, S. (1987). Classroom management: Principles to practice. Croom Helm.

Chicago (17e ed.) Bronvermelding

Ball, Shirley. Classroom Management: Principles to Practice. London: Croom Helm, 1987.

MLA (9e ed.) Bronvermelding

Ball, Shirley. Classroom Management: Principles to Practice. Croom Helm, 1987.

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