Duke, G. R. (1989). Air traffic control / Graham Duke (3rd ed.). Ian Allan.
Chicago Style (17th ed.) CitationDuke, G. R. Air Traffic Control / Graham Duke. 3rd ed. London: Ian Allan, 1989.
MLA (9th ed.) CitationDuke, G. R. Air Traffic Control / Graham Duke. 3rd ed. Ian Allan, 1989.
Warning: These citations may not always be 100% accurate.