Fay, S. B. (1948). The origins of the world war. New York: The Macmillan company.
Trích dẫn kiểu ChicagoFay, Sidney Bradshaw. The Origins of the World War. New York: The Macmillan company, 1948.
MLA CitationFay, Sidney Bradshaw. The Origins of the World War. New York: The Macmillan company, 1948.
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