APA (7th ed.) Zitazioa

(2013). Providing agri-environmental public goods through collective action. OECD.

Chicago Style (17th ed.) Zitazioa

Providing Agri-environmental Public Goods Through Collective Action. [Place of publication not identified]: OECD, 2013.

MLA (9th ed.) Zitazioa

Providing Agri-environmental Public Goods Through Collective Action. OECD, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.