Herek, R. J. (1998). These men have seen hard service: The First Michigan Sharpshooters in the Civil War. Wayne State University Press.
Lua i Stíl Chicago (17ú heag.)Herek, Raymond J. These Men Have Seen Hard Service: The First Michigan Sharpshooters in the Civil War. Detroit: Wayne State University Press, 1998.
Lua MLA (9ú heag.)Herek, Raymond J. These Men Have Seen Hard Service: The First Michigan Sharpshooters in the Civil War. Wayne State University Press, 1998.
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