Dyfyniad APA

Hill, M. K. (2004). Understanding environmental pollution: A primer (Second edition.). Cambridge.

Dyfyniad Arddull Chicago

Hill, Marquita K. Understanding Environmental Pollution: A Primer. Second edition. Cambridge, UK ; New York: Cambridge, 2004.

Dyfyniad MLA

Hill, Marquita K. Understanding Environmental Pollution: A Primer. Second edition. Cambridge, 2004.

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