Robertson, W. The history of the reign of the Emperor Charles V: With a view of the progress of society in Europe, from the subversion of the Roman empire, to the beginning of the sixteenth century (Abridged ed. with questions for the examination of students.). Harper & Brothers.
Lua i Stíl Chicago (17ú heag.)Robertson, William. The History of the Reign of the Emperor Charles V: With a View of the Progress of Society in Europe, from the Subversion of the Roman Empire, to the Beginning of the Sixteenth Century. Abridged ed. with questions for the examination of students. New York: Harper & Brothers.
Lua MLA (8ú heag.)Robertson, William. The History of the Reign of the Emperor Charles V: With a View of the Progress of Society in Europe, from the Subversion of the Roman Empire, to the Beginning of the Sixteenth Century. Abridged ed. with questions for the examination of students. Harper & Brothers.