Chapman, J. L. (1999). Ecology: Principles and Applications (2nd ed.). Cambridge University Press.
Cita Chicago (17th ed.)Chapman, J. L. Ecology: Principles and Applications. 2nd ed. UK: Cambridge University Press, 1999.
Cita MLA (9th ed.)Chapman, J. L. Ecology: Principles and Applications. 2nd ed. Cambridge University Press, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.