Fredette, R. H., & Siessor, J. (2007). The sky on fire: The first battle of Britain, 1917-1918. The University of Alabama Press.
Chicago-čujuhus (17. p.)Fredette, Raymond H., juo John Siessor. The Sky on Fire: The First Battle of Britain, 1917-1918. Tuscaloosa, Alabama: The University of Alabama Press, 2007.
MLA-čujuhus (9. p.)Fredette, Raymond H., juo John Siessor. The Sky on Fire: The First Battle of Britain, 1917-1918. The University of Alabama Press, 2007.
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