Charles, D. M. (2007). J. Edgar Hoover and the Anti-Interventionists: FBI Political Surveillance and the Rise of the Domestic Security State, 1939-1945. Ohio State University Press.
Lua i Stíl Chicago (17ú heag.)Charles, Douglas M. J. Edgar Hoover and the Anti-Interventionists: FBI Political Surveillance and the Rise of the Domestic Security State, 1939-1945. Columbus: Ohio State University Press, 2007.
Lua MLA (9ú heag.)Charles, Douglas M. J. Edgar Hoover and the Anti-Interventionists: FBI Political Surveillance and the Rise of the Domestic Security State, 1939-1945. Ohio State University Press, 2007.
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