Tài liệu tham khảo WikiPedia: Khersones (Krym) http://www.freewebs.com/chersoneses/rudescr2.htm http://restgeo.com/Item/1259/Sleduet-posetitj-Hers... http://www.swaen.com/antique-map-image-WP.php?id=1... http://www.ukranews.com/eng/article/180556.html http://www.utexas.edu/research/ica/chersonesos/ind... http://www.hostkingdom.net/crimea.html#Cherson http://www.attalus.org/docs/sig1/s360.html http://www.chersonesos.org http://www.chersonesos.org/ http://www.chersonesos.org/?p=city&l=eng
