Lua APA (7ú heag.)

Richardson, J. D. A Compilation of the Messages and Papers of the Presidents. Volume 6, part 2: Andrew Johnson.

Lua i Stíl Chicago (17ú heag.)

Richardson, James D. A Compilation of the Messages and Papers of the Presidents. Volume 6, Part 2: Andrew Johnson.

Lua MLA (9ú heag.)

Richardson, James D. A Compilation of the Messages and Papers of the Presidents. Volume 6, Part 2: Andrew Johnson.

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