Buchanan, Scott E.. "County unit system." New Georgia Encyclopedia (Project). 2005-04-15, https://www.georgiaencyclopedia.org/articles/counties-cities-neighborhoods/county-unit-system/.

Buchanan, Scott E. (2005-04-15). County unit system. Retrieved from https://www.georgiaencyclopedia.org/articles/counties-cities-neighborhoods/county-unit-system/

Buchanan, Scott E.. "County unit system." 2005-04-15. April 26, 2026. https://www.georgiaencyclopedia.org/articles/counties-cities-neighborhoods/county-unit-system/.