APA (7e ed.) Bronvermelding

Cartledge, B. (1992). Monitoring the environment. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Cartledge, Bryan. Monitoring the Environment. Oxford ; New York: Oxford University Press, 1992.

MLA (8e ed.) Bronvermelding

Cartledge, Bryan. Monitoring the Environment. Oxford University Press, 1992.