UNCTAD. (2001). International investment instruments: A compendium. New York: UN.
Chicago Style aipamenaUNCTAD. International Investment Instruments: A Compendium. New York: UN, 2001.
MLA aipamenaUNCTAD. International Investment Instruments: A Compendium. New York: UN, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.