Chick. The Battle of Petersburg, June 15-18, 1864. University of Nebraska Press.
Lua i Stíl Chicago (17ú heag.)Chick. The Battle of Petersburg, June 15-18, 1864. University of Nebraska Press.
Lua MLA (9ú heag.)Chick. The Battle of Petersburg, June 15-18, 1864. University of Nebraska Press.
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