Western Airlines Annual Report 1977
MLA
Western Air Lines, Inc.. "Western Airlines Annual Report 1977." Delta Flight Museum. 1978-03-20, https://dlg.galileo.usg.edu/do:delta_wal-ar_wal-ar-1977.
APA
Western Air Lines, Inc. (1978-03-20). Western Airlines Annual Report 1977. Retrieved from https://dlg.galileo.usg.edu/do:delta_wal-ar_wal-ar-1977
Chicago
Western Air Lines, Inc.. "Western Airlines Annual Report 1977." 1978-03-20. February 9, 2026. https://dlg.galileo.usg.edu/do:delta_wal-ar_wal-ar-1977.
