Bernstein, I. (1966). The lean years: A history of the American worker 1920 - 1933. Baltimore, Maryland: Penguin Books.
Trích dẫn kiểu ChicagoBernstein, Irving. The Lean Years: A History of the American Worker 1920 - 1933. Baltimore, Maryland: Penguin Books, 1966.
MLA CitationBernstein, Irving. The Lean Years: A History of the American Worker 1920 - 1933. Baltimore, Maryland: Penguin Books, 1966.
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