Petrus <Diaconus> & Bloch, H. (1998). The Atina dossier of Peter the Deacon of Monte Cassino: By Herbert Bloch. Biblioteca Apostolica Vaticana.
Chicago-viite (17. p.)Petrus <Diaconus> ja Herbert Bloch. The Atina Dossier of Peter the Deacon of Monte Cassino: By Herbert Bloch. Città del Vaticano: Biblioteca Apostolica Vaticana, 1998.
MLA-viite (8. p.)Petrus <Diaconus> ja Herbert Bloch. The Atina Dossier of Peter the Deacon of Monte Cassino: By Herbert Bloch. Biblioteca Apostolica Vaticana, 1998.
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