Butow, R. J. C. (1974). The John Doe Associates: Backdoor diplomacy for peace, 1941. Stanford University Press.
Lua i Stíl Chicago (17ú heag.)Butow, Robert Joseph Charles. The John Doe Associates: Backdoor Diplomacy for Peace, 1941. Stanford, Calif: Stanford University Press, 1974.
Lua MLA (9ú heag.)Butow, Robert Joseph Charles. The John Doe Associates: Backdoor Diplomacy for Peace, 1941. Stanford University Press, 1974.
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