Abbott, D. A., Cooper, J., & Sheets, P. D. (2012). Surviving sudden environmental change: Answers from archaeology. University Press of Colorado.
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Chicago-čujuhus (17. p.)
Abbott, David A., Jago Cooper, juo Payson D. Sheets. Surviving Sudden Environmental Change: Answers from Archaeology. Boulder, Colo.: University Press of Colorado, 2012.
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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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