Wells, A. T. (1999). Air transportation: A Management perspective (4th ed.). Belmont: Wadsworth.
Chicago Stili AlıntıWells, Alexander T. Air Transportation: A Management Perspective. 4th ed. Belmont: Wadsworth, 1999.
MLA AlıntıWells, Alexander T. Air Transportation: A Management Perspective. 4th ed. Belmont: Wadsworth, 1999.
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