Tài liệu tham khảo WikiPedia: Cửa_Ba_Lạt http://thuysangiaothuy.com/Tin-tuc-moi/Ngao-Giao-T... http://baophapluat.vn/thoi-su/cat-tac-tan-cong-cua... http://www.doanhnhansaigon.vn/nhat-ky-lu-hanh/huye... http://www.nguoiduatin.vn/can-canh-nhung-voi-bach-... http://www.vawr.org.vn/index.aspx?aac=CLICK&aid=AR... http://vietq.vn/5-ngon-hai-dang-doc-dao-lam-cuong-... http://vms-north.vn/bao-hieu-hang-hai-249/he-thong... http://vietnam.vnanet.vn/vietnamese/hoi-sinh-rung-... https://web.archive.org/web/20161109152745/http://... https://web.archive.org/web/20161109220932/http://...
