Delta Air Lines System Timetable September 1, 1983
MLA
Delta Air Lines, Inc.. "Delta Air Lines System Timetable September 1, 1983." Delta Flight Museum. 1983-09-01, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19830901.
APA
Delta Air Lines, Inc. (1983-09-01). Delta Air Lines System Timetable September 1, 1983. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19830901
Chicago
Delta Air Lines, Inc.. "Delta Air Lines System Timetable September 1, 1983." 1983-09-01. May 6, 2026. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19830901.
