United Nations. (2004). World economic and social survey 2004: Trends and policies in the World economy. Academic Foundation.
Chicago Style aipamenaUnited Nations. World Economic and Social Survey 2004: Trends and Policies in the World Economy. New Delhi: Academic Foundation, 2004.
MLA aipamenaUnited Nations. World Economic and Social Survey 2004: Trends and Policies in the World Economy. Academic Foundation, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.