Hess, E. J. (2009). In the trenches at Petersburg: Field fortifications & Confederate defeat. University of North Carolina Press.
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Lua i Stíl Chicago (17ú heag.)
Hess, Earl J. In the Trenches at Petersburg: Field Fortifications & Confederate Defeat. Chapel Hill: University of North Carolina Press, 2009.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
Hess, Earl J. In the Trenches at Petersburg: Field Fortifications & Confederate Defeat. University of North Carolina Press, 2009.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.