Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.