APA (7th ed.) Zitazioa

(1989). OECD economic surveys: Belgium Luxembourg. Organisation for Economic Co-Operation and Development.

Chicago Style (17th ed.) Zitazioa

OECD Economic Surveys: Belgium Luxembourg. Paris, France: Organisation for Economic Co-Operation and Development, 1989.

MLA (9th ed.) Zitazioa

OECD Economic Surveys: Belgium Luxembourg. Organisation for Economic Co-Operation and Development, 1989.