WELLS, A. T. (1984). Air Transportation Management Perspective Alexander T. Wells. Wodsworth.
Čikaški stil citiranja (17. izdanje)WELLS, Alexander T. Air Transportation Management Perspective Alexander T. Wells. Wodsworth, 1984.
MLA način citiranja (8. izdanje)WELLS, Alexander T. Air Transportation Management Perspective Alexander T. Wells. Wodsworth, 1984.
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