(1939). The world over: 1938: A chronological and interpretive survey of the year of tension. Harrison-Hilton Books.
Citace podle Chicago (17th ed.)The World over: 1938: A Chronological and Interpretive Survey of the Year of Tension. New York: Harrison-Hilton Books, 1939.
Citace podle MLA (8th ed.)The World over: 1938: A Chronological and Interpretive Survey of the Year of Tension. Harrison-Hilton Books, 1939.
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