Organisation for Economic Co-operation and Development & ProQuest (Firm). (2005). Evaluating agri-environmental policies: Design, practice and results. OECD.
Chicago Style (17th ed.) ZitazioaOrganisation for Economic Co-operation and Development eta ProQuest (Firm). Evaluating Agri-environmental Policies: Design, Practice and Results. Paris, France: OECD, 2005.
MLA (9th ed.) ZitazioaOrganisation for Economic Co-operation and Development eta ProQuest (Firm). Evaluating Agri-environmental Policies: Design, Practice and Results. OECD, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.