Abney, A. E. (2007). Wings over Illinois. Southern Illinois University Press : published for the Department of Aviation Management and Flight, Southern Illinose University.
Citace podle Chicago (17th ed.)Abney, Arthur E. Wings over Illinois. Carbondale: Southern Illinois University Press : published for the Department of Aviation Management and Flight, Southern Illinose University, 2007.
Citace podle MLA (9th ed.)Abney, Arthur E. Wings over Illinois. Southern Illinois University Press : published for the Department of Aviation Management and Flight, Southern Illinose University, 2007.
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