APA aipamena

United States Information Agency. (1999). Information USA [computer file]. United States Information Agency.

Chicago Style aipamena

United States Information Agency. Information USA [computer File]. s.l: United States Information Agency, 1999.

MLA aipamena

United States Information Agency. Information USA [computer File]. United States Information Agency, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.