APA-čujuhus (7. p.)
Drake, S. A. (2001). The battle of Gettysburg, 1863. Digital Scanning.
Chicago-čujuhus (17. p.)
Drake, Samuel Adams. The Battle of Gettysburg, 1863. Scituate, Mass.: Digital Scanning, 2001.
MLA-čujuhus (9. p.)
Drake, Samuel Adams. The Battle of Gettysburg, 1863. Digital Scanning, 2001.
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