APA-referens (7:e uppl.)
Hess, E. J. (2007). Trench warfare under Grant & Lee: Field fortifications in the Overland Campaign. University of North Carolina Press.
Chicago-referens (17:e uppl.)
Hess, Earl J. Trench Warfare Under Grant & Lee: Field Fortifications in the Overland Campaign. Chapel Hill: University of North Carolina Press, 2007.
MLA-referens (9:e uppl.)
Hess, Earl J. Trench Warfare Under Grant & Lee: Field Fortifications in the Overland Campaign. University of North Carolina Press, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.