Παραπομπή APA

Hill, M. K. (2005). Understanding environmental pollution: A primer (2nd ed.). Cambridge University Press.

Παραπομπή Chicago Style

Hill, Marquita K. Understanding Environmental Pollution: A Primer. 2nd ed. Cambridge: Cambridge University Press, 2005.

Παραπομπή MLA

Hill, Marquita K. Understanding Environmental Pollution: A Primer. 2nd ed. Cambridge University Press, 2005.