MacDonald 1973. MacDonald، Charles B. (1973). The Last Offensive. United States Army in World War II: European Theater of Operations. Washington, D.C.: Office of the Chief of Military History. OCLC:963582. مؤرشف من الأصل في 2021-02-25.
MacDonald 1973. MacDonald، Charles B. (1973). The Last Offensive. United States Army in World War II: European Theater of Operations. Washington, D.C.: Office of the Chief of Military History. OCLC:963582. مؤرشف من الأصل في 2021-02-25.
MacDonald 1973. MacDonald، Charles B. (1973). The Last Offensive. United States Army in World War II: European Theater of Operations. Washington, D.C.: Office of the Chief of Military History. OCLC:963582. مؤرشف من الأصل في 2021-02-25.