Assembly of Engineering (U.S.). Committee on FAA Airworthiness Certification Procedures & ebrary, Inc. (1980). Improving aircraft safety: FAA certification of commercial passenger aircraft. National Academy of Sciences.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Assembly of Engineering (U.S.). Committee on FAA Airworthiness Certification Procedures و Inc ebrary. Improving Aircraft Safety: FAA Certification of Commercial Passenger Aircraft. Washington, D.C.: National Academy of Sciences, 1980.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Assembly of Engineering (U.S.). Committee on FAA Airworthiness Certification Procedures و Inc ebrary. Improving Aircraft Safety: FAA Certification of Commercial Passenger Aircraft. National Academy of Sciences, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.