U.S. Department of State. (2000). InfoUSA =: Information USA. USA: U.S. Department of State.
Chicago Style aipamenaU.S. Department of State. InfoUSA =: Information USA. USA: U.S. Department of State, 2000.
MLA aipamenaU.S. Department of State. InfoUSA =: Information USA. USA: U.S. Department of State, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.