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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc, و 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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc, و R. D. Hiscocks. A Case Study in Aircraft Design: The De Havilland Family of STOL Commuter Aircraft. American Institute of Aeronautics and Astronautics, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.