[Delta Worldwide Timetable] April 2012
MLA
Delta Air Lines, Inc.. "[Delta Worldwide Timetable] April 2012." Delta Flight Museum. 2012-04, https://dlg.galileo.usg.edu/do:delta_dal-e-tt_dal-tt-201204.
APA
Delta Air Lines, Inc. (2012-04). [Delta Worldwide Timetable] April 2012. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-e-tt_dal-tt-201204
Chicago
Delta Air Lines, Inc.. "[Delta Worldwide Timetable] April 2012." 2012-04. July 23, 2025. https://dlg.galileo.usg.edu/do:delta_dal-e-tt_dal-tt-201204.
