Abbott, D. A., Sheets, P. D., & Cooper, J. (2012). Surviving Sudden Environmental Change: Answers From Archaeology. University Press of Colorado.
Chicago-čujuhus (17. p.)Abbott, David A., Payson D. Sheets, juo Jago Cooper. Surviving Sudden Environmental Change: Answers From Archaeology. Boulder, Colo.: University Press of Colorado, 2012.
MLA-čujuhus (9. p.)Abbott, David A., et al. Surviving Sudden Environmental Change: Answers From Archaeology. University Press of Colorado, 2012.
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