Duruy, Victor, aurthor
Sejarah klasik dunia timur
Indoliterasi, 2016
 Buku Teks SO
The History of the Romanian people
edited by Andrei Oțetea
Scientific Publishing Hoose, 1970
 Buku Teks SO
Saxena, H.L.
Bulgaria under the red star / H.L. Saxena
S. Chand & Co, 1957
 Buku Teks SO
Croatia between war and independence
University of Zagreb, 1991
 Buku Teks SO
Hamm, Harry
Albania - China's beachhead in Europe
Frederick A. Praeger, 1963
 Buku Teks SO