Berthoff, R. T. (1971). An unsettled people: Social order and disorder in American history ([1st ed.].). Harper & Row.
Chicago Style aipamenaBerthoff, Rowland Tappan. An Unsettled People: Social Order and Disorder in American History. [1st ed.]. New York: Harper & Row, 1971.
MLA aipamenaBerthoff, Rowland Tappan. An Unsettled People: Social Order and Disorder in American History. [1st ed.]. Harper & Row, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.