Robertson, J. I. (1992). Civil war! america becomes one nation. Alferd A. Knopf.
Chicago-čujuhus (17. p.)Robertson, James I. Civil War! America Becomes One Nation. New York: Alferd A. Knopf, 1992.
MLA-čujuhus (9. p.)Robertson, James I. Civil War! America Becomes One Nation. Alferd A. Knopf, 1992.
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