Não informado. (2007). Annual report of the Federal Security Agency. Government Printing Office.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Annual Report of the Federal Security Agency. Washington: Government Printing Office, 2007.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Annual Report of the Federal Security Agency. Government Printing Office, 2007.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.