Delta Air Lines annual report 1952
MLA
Delta Air Lines, Inc.. "Delta Air Lines annual report 1952." Delta Flight Museum. 1952-08-15, https://dlg.galileo.usg.edu/do:delta_dal-ar_dal-ar-1952.
APA
Delta Air Lines, Inc. (1952-08-15). Delta Air Lines annual report 1952. Retrieved from https://dlg.galileo.usg.edu/do:delta_dal-ar_dal-ar-1952
Chicago
Delta Air Lines, Inc.. "Delta Air Lines annual report 1952." 1952-08-15. April 26, 2026. https://dlg.galileo.usg.edu/do:delta_dal-ar_dal-ar-1952.
