Freidel, F. (1973). Franklin D. Roosevelt: Launching the New Deal / by Frank Freidel. Little, Brown.
Lua i Stíl Chicago (17ú heag.)Freidel, Frank. Franklin D. Roosevelt: Launching the New Deal / by Frank Freidel. Boston [u.a.]: Little, Brown, 1973.
Lua MLA (8ú heag.)Freidel, Frank. Franklin D. Roosevelt: Launching the New Deal / by Frank Freidel. Little, Brown, 1973.
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