O'Brien, C. (2005). Cinema's conversion to sound: Technology and film style in France and the U.S. Indiana University Press.
Lua i Stíl Chicago (17ú heag.)O'Brien, Charles. Cinema's Conversion to Sound: Technology and Film Style in France and the U.S. Bloomington: Indiana University Press, 2005.
Lua MLA (9ú heag.)O'Brien, Charles. Cinema's Conversion to Sound: Technology and Film Style in France and the U.S. Indiana University Press, 2005.
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