Delta Air Lines annual report 1948
MLA
Delta Air Lines, Inc.. "Delta Air Lines annual report 1948." Delta Flight Museum. 1948-10-04, https://dlg.galileo.usg.edu/do:delta_dal-ar_dal-ar-1948.
APA
Delta Air Lines, Inc. (1948-10-04). Delta Air Lines annual report 1948. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-ar_dal-ar-1948
Chicago
Delta Air Lines, Inc.. "Delta Air Lines annual report 1948." 1948-10-04. April 27, 2026. https://dlg.galileo.usg.edu/do:delta_dal-ar_dal-ar-1948.
