ebrary, Inc, Wingard, J. D., & Hayes, S. E. (2013). Soils, climate & society: Archaeological investigations in ancient America. University Press of Colorado.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, John Davis Wingard, और Sue Eileen Hayes. Soils, Climate & Society: Archaeological Investigations in Ancient America. Boulder: University Press of Colorado, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, et al. Soils, Climate & Society: Archaeological Investigations in Ancient America. University Press of Colorado, 2013.
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