Chapman, J. L., & Reiss, M. J. (1999). Ecology: Principles and applications (Second edition.). Cambridge University Press.

Chapman, J. L., and Michael J. Reiss. Ecology: Principles and Applications. Second edition. Cambridge ; New York, NY: Cambridge University Press, 1999.

Chapman, J. L., and Michael J. Reiss. Ecology: Principles and Applications. Second edition. Cambridge University Press, 1999.