Allen, F. L. (1997). Only yesterday: An informal history of the 1920's. Wiley.
Lua i Stíl Chicago (17ú heag.)Allen, Frederick Lewis. Only Yesterday: An Informal History of the 1920's. New York: Wiley, 1997.
Lua MLA (8ú heag.)Allen, Frederick Lewis. Only Yesterday: An Informal History of the 1920's. Wiley, 1997.
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