Akşit I., "Hagia Sophia";Akşit Kültür ve Turizm Yayincilik, 2005,ISBN 975-7039-07-1
Alexander Kazhdan (ed.), The Oxford Dictionary of Byzantium, 3 vols., Oxford University Press, 1991 (ISBN 0195046528), s. v. Irene, Church of Saint, vol. 2, 1008–1009
Krautheimer, Richard. Early Christian and Byzantine Architecture. New Haven, CT: Yale University Press. 1984.ISBN 978-0300052947.
