Edited by Rosamond McKitterick, J. O. (2013). Old Saint Peter's, Rome (1.). Cambridge University Press.
Čikaški stil citiranja (17. izdanje)Edited by Rosamond McKitterick, John Osborne. Old Saint Peter's, Rome. 1. Cambridge University Press, 2013.
MLA način citiranja (8. izdanje)Edited by Rosamond McKitterick, John Osborne. Old Saint Peter's, Rome. 1. Cambridge University Press, 2013.
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