Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Barbier, E. (2011). Capitalizing on nature: Ecosystems as natural assets. Cambridge University Press.
Chicago Style (17th ed.) Zitazioa
Barbier, Edward. Capitalizing on Nature: Ecosystems as Natural Assets. Cambridge, UK ; New York: Cambridge University Press, 2011.
MLA (9th ed.) Zitazioa
Barbier, Edward. Capitalizing on Nature: Ecosystems as Natural Assets. Cambridge University Press, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.