Northwest Stratocruiser Flight Schedule 1949 September 1
MLA
Northwest Orient Airlines. "Northwest Stratocruiser Flight Schedule 1949 September 1." Delta Flight Museum. 1949-09-01, https://dlg.galileo.usg.edu/do:delta_nwa-tt_nwa-tt-19490901.
APA
Northwest Orient Airlines (1949-09-01). Northwest Stratocruiser Flight Schedule 1949 September 1. Retrieved from https://dlg.galileo.usg.edu/do:delta_nwa-tt_nwa-tt-19490901
Chicago
Northwest Orient Airlines. "Northwest Stratocruiser Flight Schedule 1949 September 1." 1949-09-01. September 16, 2026. https://dlg.galileo.usg.edu/do:delta_nwa-tt_nwa-tt-19490901.
