McPherson. The Civil War Diary of Gideon Welles, Lincoln's Secretary of the Navy. University of Illinois Press.
Chicago-viite (17. p.)McPherson. The Civil War Diary of Gideon Welles, Lincoln's Secretary of the Navy. University of Illinois Press.
MLA-viite (9. p.)McPherson. The Civil War Diary of Gideon Welles, Lincoln's Secretary of the Navy. University of Illinois Press.
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