O'Meara, W. (1979). Guns at the forks. University of Pittsburgh Press.
Chicago-čujuhus (17. p.)O'Meara, Walter. Guns at the Forks. Pittsburgh: University of Pittsburgh Press, 1979.
MLA-čujuhus (9. p.)O'Meara, Walter. Guns at the Forks. University of Pittsburgh Press, 1979.
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