Stiling, P. (2002). Ecology: Theories and Application (4th ed.). Prentice-Hall.
Chicago Style (17th ed.) ZitazioaStiling, Peter. Ecology: Theories and Application. 4th ed. New Delhi: Prentice-Hall, 2002.
MLA (9th ed.) ZitazioaStiling, Peter. Ecology: Theories and Application. 4th ed. Prentice-Hall, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.