Northeast Airlines Annual Report 1947
MLA
Northeast Airlines. "Northeast Airlines Annual Report 1947." Delta Flight Museum. 1948-05-28, https://dlg.galileo.usg.edu/do:delta_nea-ar_nea-ar-1947.
APA
Northeast Airlines (1948-05-28). Northeast Airlines Annual Report 1947. Retrieved from https://dlg.galileo.usg.edu/do:delta_nea-ar_nea-ar-1947
Chicago
Northeast Airlines. "Northeast Airlines Annual Report 1947." 1948-05-28. May 25, 2026. https://dlg.galileo.usg.edu/do:delta_nea-ar_nea-ar-1947.
