Não informado. (2018). Papers Relating to the Foreign Relations of the United States. Government Publishing Office.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Papers Relating to the Foreign Relations of the United States. Washington: Government Publishing Office, 2018.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Papers Relating to the Foreign Relations of the United States. Government Publishing Office, 2018.
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