Delta Air Lines System Timetable November 1, 1987
MLA
Delta Air Lines, Inc.. "Delta Air Lines System Timetable November 1, 1987." Delta Flight Museum. 1987-11-01, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19871101.
APA
Delta Air Lines, Inc. (1987-11-01). Delta Air Lines System Timetable November 1, 1987. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19871101
Chicago
Delta Air Lines, Inc.. "Delta Air Lines System Timetable November 1, 1987." 1987-11-01. August 12, 2025. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19871101.
