Não informado. (2007). Annual report of the Federal Security Agency. Government Printing Office.
Chicago-referens (17:e uppl.)Não informado. Annual Report of the Federal Security Agency. Washington: Government Printing Office, 2007.
MLA-referens (8:e uppl.)Não informado. Annual Report of the Federal Security Agency. Government Printing Office, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.