Allen, F. L. (1972). Since yesterday: The 1930s in America. September 3, 1929-september 3, 1939. Harper and Row.
Citace podle Chicago (17th ed.)Allen, Frederick Lewis. Since Yesterday: The 1930s in America. September 3, 1929-september 3, 1939. Nueva York: Harper and Row, 1972.
Citace podle MLA (9th ed.)Allen, Frederick Lewis. Since Yesterday: The 1930s in America. September 3, 1929-september 3, 1939. Harper and Row, 1972.
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