1. Arnheim, Rudolf. 1957.Film as Art, 38–39. Berkeley: University of California Press.
2. Livingston, Donald. 1958.Film and the Director, 52New York: The Macmillan Company.
3. Kracauer, Siegfried. 1960.Theory of Film, 162New York: Oxford University Press.
4. Knight, Arthur. 1957.The Liveliest Art, 63New York: The Macmillan Company.
5. Stephenson, Ralph and Debrix, J. R. 1965.The Cinema as Art, 46–47. Baltimore: Penguin Books.