Gwatkin, H. M., & Bury, J. B. (1976). The Cambridge Medieval History: . Volume 3 , Germany and the Western Empire (Repr.). Cambridge University Press.
Cita Chicago Style (17a ed.)Gwatkin, Henry Melvill, y John B. Bury. The Cambridge Medieval History: . Volume 3 , Germany and the Western Empire. Repr. Cambridge [etc.]: Cambridge University Press, 1976.
Cita MLA (9a ed.)Gwatkin, Henry Melvill, y John B. Bury. The Cambridge Medieval History: . Volume 3 , Germany and the Western Empire. Repr. Cambridge University Press, 1976.
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