Brooks, T. R. (1964). Toil and trouble: A history of American labor. New York: A Delta Book.
Trích dẫn kiểu ChicagoBrooks, Thomas R. Toil and Trouble: A History of American Labor. New York: A Delta Book, 1964.
MLA CitationBrooks, Thomas R. Toil and Trouble: A History of American Labor. New York: A Delta Book, 1964.
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