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引文Brooks, Thomas R. Toil and Trouble: A History of American Labor. New York: A Delta Book, 1964.
警告：这些引文格式不一定是100％准确.