Organisation for Economic Co-operation and Development. (1981). Netherlands: 1981. OECD Publishing.
Chicago Style (17th ed.) ZitazioaOrganisation for Economic Co-operation and Development. Netherlands: 1981. Paris: OECD Publishing, 1981.
MLA (9th ed.) ZitazioaOrganisation for Economic Co-operation and Development. Netherlands: 1981. OECD Publishing, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.