Shotwell, J. T. (1945). The great decision. The Macmillan company.
Lua i Stíl Chicago (17ú heag.)Shotwell, James Thomson. The Great Decision. New York: The Macmillan company, 1945.
Lua MLA (9ú heag.)Shotwell, James Thomson. The Great Decision. The Macmillan company, 1945.
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