Delta Air Lines Worldwide Timetable December 7, 1997
MLA
Delta Air Lines, Inc.. "Delta Air Lines Worldwide Timetable December 7, 1997." Delta Flight Museum. 1997-12-07, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19971207.
APA
Delta Air Lines, Inc. (1997-12-07). Delta Air Lines Worldwide Timetable December 7, 1997. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19971207
Chicago
Delta Air Lines, Inc.. "Delta Air Lines Worldwide Timetable December 7, 1997." 1997-12-07. June 29, 2025. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-19971207.
