Delta Air Lines Worldwide Timetable September 8, 1997
MLA
Delta Air Lines, Inc.. "Delta Air Lines Worldwide Timetable September 8, 1997." Delta Flight Museum. 1997-09-08, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19970908.
APA
Delta Air Lines, Inc. (1997-09-08). Delta Air Lines Worldwide Timetable September 8, 1997. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19970908
Chicago
Delta Air Lines, Inc.. "Delta Air Lines Worldwide Timetable September 8, 1997." 1997-09-08. April 30, 2026. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19970908.
