Não informado. (2007). Annual report of the Federal Security Agency. Government Printing Office.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Annual Report of the Federal Security Agency. Washington: Government Printing Office, 2007.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Annual Report of the Federal Security Agency. Government Printing Office, 2007.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.