Tolong jelaskan mengenai PAK DA dari Pesawat pengebom strategik dalam bahasa melayu

Brown, Michael E. Flying Blind: The Politics of the U.S. Strategic Bomber Program. Ithaca, NY: Cornell University Press, 1992.

Cross, Robin. The Bombers: The Illustrated Story of Offensive Strategy and Tactics in the Twentieth Century. New York: Macmillan, 1987.

Green, William.  Famous Bombers of the Second World War.  New York: Doubleday, 1959, 1960 (two vols).

Green, William. Warplanes of the Third Reich.  New York: Doubleday, 1970.

Haddow, G. W., and Peter M. Grosz The German Giants: The German R-Planes 1914-1918.  London: Putnam, 1969 (2nd ed.)

Hastings, Max. Bomber Command. New York: Dial Press, 1979

Jones, Lloyd S. U.S. Bombers 1926 to 1980s.  Fallbrook, CA: Aero Publishers, 1980 (3rd ed.)

Neillands, Robin. The Bomber War: The Allied Offensive Against Nazi Germany.  Woodstock, NY: Overlook, 2001.

Robinson, Douglas H. The Zeppelin in Combat: A History of the German Naval Airship Division, 1912-1918.  Atglen, PA: Schiffer, 1994.

United States Strategic Bombing Survey.  Over-all Report (European War).  Washington: Government Printing Office, September 30, 1945.