United Nations. Dept. of Economic and Social Affairs. Population Division. (2004). The impact of aids. United Nations.
Chicago Style aipamenaUnited Nations. Dept. of Economic and Social Affairs. Population Division. The Impact of Aids. New York: United Nations, 2004.
MLA aipamenaUnited Nations. Dept. of Economic and Social Affairs. Population Division. The Impact of Aids. United Nations, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.