The Church of Sts Sergios and Bakchos Constantinople, built between 527 and 536 AD.
Ankara, Ministry of Culture General Directorate of Monuments and Museums.
Historia tou Hellenikou Ethnous, v. 7, Ekdotike Athenon SA., Athens 1978, p. 381.
© Ministry of Culture General Directorate of Monuments and Museums, Ankara