Todorova, Elissaveta
Sofia press, 1987
Buku Teks
Carcopino, Jerome
Penguin Books, 1956
Buku Teks SO
Turnbull, Stephen R.
Osprey, 2003
Buku Teks SO
Kedourie, Elie
Westview Press, 1987
Buku Teks SO
Shaw, Stanford
Cambridge University Press, 1997
Buku Teks