Delta Worldwide Timetable April 1, 2001
MLA
Delta Air Lines, Inc.. "Delta Worldwide Timetable April 1, 2001." Delta Flight Museum. 2001-04-01, https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-20010401.
APA
Delta Air Lines, Inc. (2001-04-01). Delta Worldwide Timetable April 1, 2001. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-20010401
Chicago
Delta Air Lines, Inc.. "Delta Worldwide Timetable April 1, 2001." 2001-04-01. May 1, 2026. https://dlg.galileo.usg.edu/do:delta_dal-tt_dal-tt-20010401.
