Republic Airlines. "Republic Airlines Annual Report 1979." Delta Flight Museum. 1980-03-07, https://dlg.galileo.usg.edu/do:delta_rep-ar_rep-ar-1979.

Republic Airlines (1980-03-07). Republic Airlines Annual Report 1979. Retrieved from https://dlg.galileo.usg.edu/do:delta_rep-ar_rep-ar-1979

Republic Airlines. "Republic Airlines Annual Report 1979." 1980-03-07. August 1, 2025. https://dlg.galileo.usg.edu/do:delta_rep-ar_rep-ar-1979.