APA aipamena

Council of Europe., Mattei, U., Farrel, G., & Bailey, S. (2013). Protecting future generations through commons. Strasbourg: Council of Europe Publishing.

MLA aipamena

Council of Europe., Ugo Mattei, Gilda Farrel, and Saki Bailey. Protecting Future Generations Through Commons. Strasbourg: Council of Europe Publishing, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.