Tolong jelaskan mengenai Sumber dari Fedor von Bock

Afflerbach, Holger (1996). Falkenhayn: Politisches Denken und Handeln im Kaiserreich. Munich: Oldenbourg.

Gerbet, Klaus and Johnston, David. Generalfeldmarschall Fedor von Bock: The War Diary 1939–1945. Schiffer Publishing. 1 January 2000

Horner, D. M., Jukes, Geoffrey. The Second World War: The Eastern Front 1941–1945. Osprey Publishing (25 July 2002)

Mitcham, Samuel W. (2009). The Men of Barbarossa: Commanders of the German Invasion of Russia, 1941. Philadelphia: Casemate.