Liedtke 2015, pp. 227–228, 235. Liedtke, Gregory (2 January 2015). "Lost in the Mud: The (Nearly) Forgotten Collapse of the German Army in the Western Ukraine, March and April 1944". The Journal of Slavic Military Studies. 28 (1): 215–238. doi:10.1080/13518046.2015.998134. ISSN1351-8046. S2CID144324751.
Liedtke 2015, pp. 224–225. Liedtke, Gregory (2 January 2015). "Lost in the Mud: The (Nearly) Forgotten Collapse of the German Army in the Western Ukraine, March and April 1944". The Journal of Slavic Military Studies. 28 (1): 215–238. doi:10.1080/13518046.2015.998134. ISSN1351-8046. S2CID144324751.
Liedtke 2015, pp. 227–228, 235. Liedtke, Gregory (2 January 2015). "Lost in the Mud: The (Nearly) Forgotten Collapse of the German Army in the Western Ukraine, March and April 1944". The Journal of Slavic Military Studies. 28 (1): 215–238. doi:10.1080/13518046.2015.998134. ISSN1351-8046. S2CID144324751.
Liedtke 2015, pp. 224–225. Liedtke, Gregory (2 January 2015). "Lost in the Mud: The (Nearly) Forgotten Collapse of the German Army in the Western Ukraine, March and April 1944". The Journal of Slavic Military Studies. 28 (1): 215–238. doi:10.1080/13518046.2015.998134. ISSN1351-8046. S2CID144324751.
Morison 1962, p. 67. Morison, Samuel Eliot (1962). History of United States Naval Operations in World War II. Vol. 11. The invasion of France and Germany, 1944–1945. Boston: Little, Brown. OCLC757924260.
Liedtke 2015, pp. 227–228, 235. Liedtke, Gregory (2 January 2015). "Lost in the Mud: The (Nearly) Forgotten Collapse of the German Army in the Western Ukraine, March and April 1944". The Journal of Slavic Military Studies. 28 (1): 215–238. doi:10.1080/13518046.2015.998134. ISSN1351-8046. S2CID144324751.
Liedtke 2015, pp. 224–225. Liedtke, Gregory (2 January 2015). "Lost in the Mud: The (Nearly) Forgotten Collapse of the German Army in the Western Ukraine, March and April 1944". The Journal of Slavic Military Studies. 28 (1): 215–238. doi:10.1080/13518046.2015.998134. ISSN1351-8046. S2CID144324751.