Delta Air Lines System Timetable May 1, 1986
MLA
Delta Air Lines, Inc.. "Delta Air Lines System Timetable May 1, 1986." Delta Flight Museum. 1986-05-01, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19860501.
APA
Delta Air Lines, Inc. (1986-05-01). Delta Air Lines System Timetable May 1, 1986. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19860501
Chicago
Delta Air Lines, Inc.. "Delta Air Lines System Timetable May 1, 1986." 1986-05-01. July 31, 2025. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19860501.
