Robertson, W. (1857). The history of the reign of the emperor Charles the Fifth. Phillips, Sampson and Company.
Lua i Stíl Chicago (17ú heag.)Robertson, William. The History of the Reign of the Emperor Charles the Fifth. Boston: Phillips, Sampson and Company, 1857.
Lua MLA (8ú heag.)Robertson, William. The History of the Reign of the Emperor Charles the Fifth. Phillips, Sampson and Company, 1857.
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