APA (7th ed.) Zitazioa
ebrary, Inc, & Liotta, P. (2010). Achieving environmental security: Ecosystem services and human welfare. IOS Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Peter Liotta. Achieving Environmental Security: Ecosystem Services and Human Welfare. Washington, D.C.: IOS Press, 2010.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Peter Liotta. Achieving Environmental Security: Ecosystem Services and Human Welfare. IOS Press, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.