Wellesz, E. (1961). A history of Byzantine music and hymnography (2d ed. rev. and enl.). Clarendon Press.
Lua i Stíl Chicago (17ú heag.)Wellesz, Egon. A History of Byzantine Music and Hymnography. 2d ed. rev. and enl. Oxford: Clarendon Press, 1961.
Lua MLA (8ú heag.)Wellesz, Egon. A History of Byzantine Music and Hymnography. 2d ed. rev. and enl. Clarendon Press, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.