Delta Air Lines Worldwide Timetable April 4, 1993
MLA
Delta Air Lines, Inc.. "Delta Air Lines Worldwide Timetable April 4, 1993." Delta Flight Museum. 1993-04-04, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19930404.
APA
Delta Air Lines, Inc. (1993-04-04). Delta Air Lines Worldwide Timetable April 4, 1993. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19930404
Chicago
Delta Air Lines, Inc.. "Delta Air Lines Worldwide Timetable April 4, 1993." 1993-04-04. February 18, 2026. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19930404.
