APA aipamena

U.S. Department of State. (2000). InfoUSA =: Information USA. USA: U.S. Department of State.

Chicago Style aipamena

U.S. Department of State. InfoUSA =: Information USA. USA: U.S. Department of State, 2000.

MLA aipamena

U.S. Department of State. InfoUSA =: Information USA. USA: U.S. Department of State, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.