ebrary, Inc, & Hiscocks, R. D. (1998). A case study in aircraft design: The De Havilland family of STOL commuter aircraft. American Institute of Aeronautics and Astronautics.
Chicago-referens (17:e uppl.)ebrary, Inc, och R. D. Hiscocks. A Case Study in Aircraft Design: The De Havilland Family of STOL Commuter Aircraft. [Reston, Va.]: American Institute of Aeronautics and Astronautics, 1998.
MLA-referens (9:e uppl.)ebrary, Inc, och R. D. Hiscocks. A Case Study in Aircraft Design: The De Havilland Family of STOL Commuter Aircraft. American Institute of Aeronautics and Astronautics, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.