APA (7th ed.) Zitazioa
Organisation for Economic Co-operation and Development. (1992). Belgium-Luxembourg: 1991/1992. OECD Publishing.
Chicago Style (17th ed.) Zitazioa
Organisation for Economic Co-operation and Development. Belgium-Luxembourg: 1991/1992. Paris: OECD Publishing, 1992.
MLA (9th ed.) Zitazioa
Organisation for Economic Co-operation and Development. Belgium-Luxembourg: 1991/1992. OECD Publishing, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.