↑ Clarke, Jeffrey J. (1988), United States Army in Vietnam: Advice and Support: The Final Years, 1965–1973, Washington, D.C: Center of Military History, United States Army, p. 275
↑ Bách khoa tri thức quốc phòng toàn dân. Nhà xuất bản Chính trị quốc gia. Hà Nội.2003. các trang 280–284 và 1734–1745.
↑ For a comparison of casualty figures, see Lewis Sorley, A Better War. New York: Harvest Books, 1999, Chapt. 20, fn. 49. Although North Vietnamese casualties were horrendus, the figure of 100.000 dead, often quoted in historical sources, is only an approximation. See Dale Andrade, Trial by Fire. New York: Hippocrene Books, 1995, p. 531.
↑ Palmer, Dave Richard, Summons of the Trumpet: A History of the Vietnam War From A Military Man's Viewpoint. Novato CA: Presidio Press, 1999, tr. 324.
