James F. Puglisi, director of Centro Pro Unione, made a conclusion about Irenaeus' writings: "the terms episkopos and presbyteros are interchangeable, but the term episkopos is applied to the person who is established in every Church by the apostles and their successors".
James F. Puglisi, direktur Centro Pro Unione, membuat suatu kesimpulan atas tulisan Ireneus: "istilah episkopos dan presbyteros dapat saling menggantikan, tetapi istilah episkopos (uskup) diberlakukan pada orang telah ditetapkan di setiap Gereja oleh para rasul dan penerus mereka".