Richardson, J. D. A Compilation of the Messages and Papers of the Presidents. Volume 5, part 4: James Buchanan.
Chicago Style (17. basım) AtıfRichardson, James D. A Compilation of the Messages and Papers of the Presidents. Volume 5, Part 4: James Buchanan.
MLA (9th ed.) AtıfRichardson, James D. A Compilation of the Messages and Papers of the Presidents. Volume 5, Part 4: James Buchanan.
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