APA-čujuhus (7. p.)
Spruill, M. (2010). Summer thunder: A battlefield guide to the artillery at Gettysburg. University of Tennessee Press.
Chicago-čujuhus (17. p.)
Spruill, Matt. Summer Thunder: A Battlefield Guide to the Artillery at Gettysburg. Knoxville: University of Tennessee Press, 2010.
MLA-čujuhus (9. p.)
Spruill, Matt. Summer Thunder: A Battlefield Guide to the Artillery at Gettysburg. University of Tennessee Press, 2010.
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