Não informado. United States government organization manual. Office of the Federal Register.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. United States Government Organization Manual. Washington: Office of the Federal Register.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. United States Government Organization Manual. Office of the Federal Register.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.