APA (7e ed.) Bronvermelding

Não informado. (2004). Educational administration and supervision. Warwick & York.

Chicago (17e ed.) Bronvermelding

Não informado. Educational Administration and Supervision. Baltimore, Md: Warwick & York, 2004.

MLA (8e ed.) Bronvermelding

Não informado. Educational Administration and Supervision. Warwick & York, 2004.

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