United States. National Archives and Records Service & United States. Dept. of the Treasury. Office of the Secretary. (1964). Letters sent by the Secretary of the Treasury relating to restricted commercial intercourse, 1861-1887. National Archives, National Archives and Records Service, General Services Administration.
Παραπομπή σε μορφή Chicago (17η εκδ.)United States. National Archives and Records Service και United States. Dept. of the Treasury. Office of the Secretary. Letters Sent by the Secretary of the Treasury Relating to Restricted Commercial Intercourse, 1861-1887. Washington [D.C.]: National Archives, National Archives and Records Service, General Services Administration, 1964.
Παραπομπή σε μορφή MLA (8th εκδ.)United States. National Archives and Records Service και United States. Dept. of the Treasury. Office of the Secretary. Letters Sent by the Secretary of the Treasury Relating to Restricted Commercial Intercourse, 1861-1887. National Archives, National Archives and Records Service, General Services Administration, 1964.