Edited by Rosamond McKitterick, J. O. (2013). Old Saint Peter's, Rome (1.). Cambridge University Press.
Dyfyniad Arddull ChicagoEdited by Rosamond McKitterick, John Osborne. Old Saint Peter's, Rome. 1. Cambridge University Press, 2013.
Dyfyniad MLAEdited by Rosamond McKitterick, John Osborne. Old Saint Peter's, Rome. 1. Cambridge University Press, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.