Tài liệu tham khảo WikiPedia: Synesius thành Cyrene http://catalogue.nla.gov.au/Record/2192369/Details... http://www.amazon.com/dp/0975925598 http://bmcr.brynmawr.edu/1993/04.05.02.html http://ccat.sas.upenn.edu/bmcr/1991/02.01.16.html http://www.livius.org/su-sz/synesius/synesius_cyre... http://www.newadvent.org/cathen/14386a.htm https://web.archive.org/web/19990427100728/http://... https://web.archive.org/web/20100505024619/http://...
