APA-čujuhus (7. p.)
Curtis, K. A. (2013). Gambling on ore: The nature of metal mining in the United States, 1860-1910. University Press of Colorado.
Chicago-čujuhus (17. p.)
Curtis, Kent A. Gambling on Ore: The Nature of Metal Mining in the United States, 1860-1910. Boulder: University Press of Colorado, 2013.
MLA-čujuhus (9. p.)
Curtis, Kent A. Gambling on Ore: The Nature of Metal Mining in the United States, 1860-1910. University Press of Colorado, 2013.
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