(2001). National Incident-Based Reporting System, 1998 United States Department of Justice. Federal Bureau of Investigation. [electronic resource].
Chicago Style (17th ed.) ZitazioaNational Incident-Based Reporting System, 1998 United States Department of Justice. Federal Bureau of Investigation. [electronic Resource]. 2001.
MLA (9th ed.) ZitazioaNational Incident-Based Reporting System, 1998 United States Department of Justice. Federal Bureau of Investigation. [electronic Resource]. 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.