BirdLife International (2022) Endemic Bird Areas factsheet: Balsas region and interior Oaxaca. Accessed 2 August 2022. [1].
doi.org
Emily J. Lott, Thomas H. Atkinson (2006). "Mexican and Central American Seasonally Dry Tropical Forests: Chamela-Cuixmala, Jalisco, as a Focal Point for Comparison." in R. Toby Pennington, Gwilym P. Lewis, James A. Ratter, eds. Neotropical Savannas and Seasonally Dry Forests: Plant Diversity, Biogeography, and Conservation. CRC Press, Boca Raton. DOI https://doi.org/10.1201/9781420004496
Eric Dinerstein, David Olson, et al. (2017). An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm, BioScience, Volume 67, Issue 6, June 2017, Pages 534–545; Supplemental material 2 table S1b. [2]
eol.org
editors.eol.org
World Wildlife Fund (2014). Balsas dry forests. ed. Mark McGinley & C. Michael Hogan. Encyclopedia of Earth. NCSE. Washington DC. Retrieved from http://editors.eol.org/eoearth/wiki/Balsas_dry_forests. Accessed 2 August 2022.