Murphy, P. V. (2012). The new era: American thought and culture in the 1920s. Rowman & Littlefield Publishers, Inc..
Lua i Stíl Chicago (17ú heag.)Murphy, Paul V. The New Era: American Thought and Culture in the 1920s. Lanham, Md.: Rowman & Littlefield Publishers, Inc., 2012.
Lua MLA (9ú heag.)Murphy, Paul V. The New Era: American Thought and Culture in the 1920s. Rowman & Littlefield Publishers, Inc., 2012.
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