Organisation for Economic Co-operation and Development. (1975). Belgium: 1975. OECD Publishing.
Chicago Style (17th ed.) ZitazioaOrganisation for Economic Co-operation and Development. Belgium: 1975. Paris: OECD Publishing, 1975.
MLA (9th ed.) ZitazioaOrganisation for Economic Co-operation and Development. Belgium: 1975. OECD Publishing, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.