APA (7e ed.) Bronvermelding

Frumkin, H. (2006). Safe and healthy school environments. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Frumkin, Howard. Safe and Healthy School Environments. Oxford: Oxford University Press, 2006.

MLA (9e ed.) Bronvermelding

Frumkin, Howard. Safe and Healthy School Environments. Oxford University Press, 2006.

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