Wellesz, E. (1949). A history of Byzanthine music and hymnography. Clarendon Press.
Lua i Stíl Chicago (17ú heag.)Wellesz, Egon. A History of Byzanthine Music and Hymnography. Oxford: Clarendon Press, 1949.
Lua MLA (9ú heag.)Wellesz, Egon. A History of Byzanthine Music and Hymnography. Clarendon Press, 1949.
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