Lua APA (7ú heag.)
Spruill, M. (2010). Summer thunder: A battlefield guide to the artillery at Gettysburg. University of Tennessee Press.
Lua i Stíl Chicago (17ú heag.)
Spruill, Matt. Summer Thunder: A Battlefield Guide to the Artillery at Gettysburg. Knoxville: University of Tennessee Press, 2010.
Lua MLA (9ú heag.)
Spruill, Matt. Summer Thunder: A Battlefield Guide to the Artillery at Gettysburg. University of Tennessee Press, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.