Merkoša sitáhtat
APA-čujuhus (7. p.)
Johnson, H. A. (2001). Wingless eagle: U.S. Army aviation through World War I. University of North Carolina Press.
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Chicago-čujuhus (17. p.)
Johnson, Herbert Alan. Wingless Eagle: U.S. Army Aviation Through World War I. Chapel Hill: University of North Carolina Press, 2001.
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MLA-čujuhus (9. p.)
Johnson, Herbert Alan. Wingless Eagle: U.S. Army Aviation Through World War I. University of North Carolina Press, 2001.
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