Beckwith, J. (1964). Early medieval art: Carolingian, Ottonian, Romanesque. Thames and Hudson.
Chicago Style aipamenaBeckwith, John. Early Medieval Art: Carolingian, Ottonian, Romanesque. London: Thames and Hudson, 1964.
MLA aipamenaBeckwith, John. Early Medieval Art: Carolingian, Ottonian, Romanesque. Thames and Hudson, 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.