Rujukan Empat_Polis

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  • Dallek, Robert (1995). Franklin D. Roosevelt and American Foreign Policy, 1932–1945: With a New Afterword. Oxford University Press. ISBN 978-0-19-982666-7. 
  • Gaddis, John Lewis (1972). The United States and the Origins of the Cold War, 1941–1947. Columbia University Press. ISBN 978-0-231-12239-9. 
  • Hoopes, Townsend; Brinkley, Douglas (1997). FDR and the Creation of the U.N. Yale University Press. ISBN 978-0-300-08553-2. 
  • Kimball, Warren F. (1991). The Juggler: Franklin Roosevelt as Wartime Statesman. Princeton University Press. ISBN 0-691-03730-2. 
  • Welles, Sumner (1951). "Two Roosevelt Decisions: One Debit, One Credit". Foreign Affairs (29): 182–204. 
  • United States Department of State (1942). "Union of Soviet Socialist Republics". Foreign relations of the United States diplomatic papers, 1942. Europe Volume III. U.S. Government Printing Office. m/s. 406–771.