Tài liệu tham khảo

WikiPedia: Chữ_Hán http://home.thuhoavn.com/?tag=thu-phap-chu-han http://www.trangnhahoaihuong.com/phpWebSite/index.... http://vdict.com http://nguyentl.free.fr/html/sujet_thu_phap_1_vn.h... http://www.asinah.net/china/vietnamese.html http://vnexpress.net/tin-tuc/giao-duc/bo-giao-duc-... http://vnexpress.net/tin-tuc/giao-duc/de-an-ngoai-... http://web.archive.org/web/20160306143444/http://w... http://web.archive.org/web/20161005072333/http://w... http://web.archive.org/web/20170301000000*/https:/...