Stiling, P. (2002). Ecology: Theories and Application (4th ed.). Prentice-Hall.
Cita Chicago (17th ed.)Stiling, Peter. Ecology: Theories and Application. 4th ed. New Delhi: Prentice-Hall, 2002.
Cita MLA (9th ed.)Stiling, Peter. Ecology: Theories and Application. 4th ed. Prentice-Hall, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.