Não informado. (2007). Annual report of the Federal Security Agency. Government Printing Office.
Citação do estilo Chicago (17ª ed.)Não informado. Annual Report of the Federal Security Agency. Washington: Government Printing Office, 2007.
Citação MLA (8ª ed.)Não informado. Annual Report of the Federal Security Agency. Government Printing Office, 2007.
警告：這些引文格式不一定是100％准確.