Berthoff, R. T. (1971). An unsettled people: Social order and disorder in American history ([1st ed.].). Harper & Row.
Citace podle Chicago (17th ed.)Berthoff, Rowland Tappan. An Unsettled People: Social Order and Disorder in American History. [1st ed.]. New York: Harper & Row, 1971.
Citace podle MLA (8th ed.)Berthoff, Rowland Tappan. An Unsettled People: Social Order and Disorder in American History. [1st ed.]. Harper & Row, 1971.
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