Tham khảo Grumman_G-21_Goose

Ghi chú
  1. "Grumman Goose has served coast for many years as 'flying-boat workhorse'." canada.com. Truy cập: ngày 19 tháng 12 năm 2009.
  2. Swanborough and Bowers 1976, p.212.
  3. Green 1968, p.171.
Tài liệu
  • Donald, David, ed. American Warplanes of World War II. London: Aerospace Publishing, 1995. ISBN 1-874023-72-7.
  • Francillon, René J. and Gary L. Killion. "Sauce for the Goose - turbine style". Air International, July 1993, Vol. 45, No 1, pp. 53–57. Stamford, UK:Key Publishing. ISSN 0306-5634.
  • Green, William. War Planes of the Second World War: Volume Five Flying Boats. London:Macdonald, 1968. ISBN 0-356-01449-5.
  • March, Daniel J., ed. British Warplanes of World War II. London: Aerospace Publishing, 1998. ISBN 1-874023-92-1.
  • Swanborough, Gordon and Peter M. Bowers. United States Navy Aircraft since 1911. London: Putnam, Second edition, 1976. ISBN 0-370-10054-9.
  • Thruelsen, Richard. The Grumman Story. New York: Praeger Publishers, Inc., 1976. ISBN 0-275-54260-2.
  • Winchester, Jim, ed. "Grumman Goose/Mallard." Biplanes, Triplanes and Seaplanes (The Aviation Factfile). Rochester, Kent, UK: Grange Books plc, 2004. ISBN 1-84013-641-3.