Tài liệu tham khảo WikiPedia: Lê_Hồng_Hà http://web.archive.org/save/_embed/http://www.viet... http://web.archive.org/save/_embed/https://www.die... http://web.archive.org/web/20170407200501/http://w... https://www.youtube.com/watch?v=FWbOAX3vclQ
