Ingersoll, R. (1940). Report on England, November, 1940. Simon and Schuster.
Lua i Stíl Chicago (17ú heag.)Ingersoll, Ralph. Report on England, November, 1940. New York: Simon and Schuster, 1940.
Lua MLA (8ú heag.)Ingersoll, Ralph. Report on England, November, 1940. Simon and Schuster, 1940.
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