Oort, J. v. Augustine's Letters to Firmus (1 A* and 2*) and the Purpose of the De civitate Dei. Papers presented at the Eleventh International Conference on Patristic Studies ; [4]: Cappadocian fathers, greek authors after Nicaea, Augustine, Donatism, and Pelagianism, 417-423.
Παραπομπή σε μορφή Chicago (17η εκδ.)Oort, Johannes van. "Augustine's Letters to Firmus (1 A* and 2*) and the Purpose of the De Civitate Dei." Papers Presented at the Eleventh International Conference on Patristic Studies ; [4]: Cappadocian Fathers, Greek Authors After Nicaea, Augustine, Donatism, and Pelagianism : 417-423.
Παραπομπή σε μορφή MLA (8th εκδ.)Oort, Johannes van. "Augustine's Letters to Firmus (1 A* and 2*) and the Purpose of the De Civitate Dei." Papers Presented at the Eleventh International Conference on Patristic Studies ; [4]: Cappadocian Fathers, Greek Authors After Nicaea, Augustine, Donatism, and Pelagianism, , pp. 417-423.