APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.