(1976). Overall and blade element performance of a 1.20 pressure ratio fan stage with rotor blades reset -7 ̊ / George W. Lewis and George Kovich ; Lewis Research Center, Cleveland, Ohio.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Overall and Blade Element Performance of a 1.20 Pressure Ratio Fan Stage with Rotor Blades Reset -7 ̊ / George W. Lewis and George Kovich ; Lewis Research Center, Cleveland, Ohio. 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Overall and Blade Element Performance of a 1.20 Pressure Ratio Fan Stage with Rotor Blades Reset -7 ̊ / George W. Lewis and George Kovich ; Lewis Research Center, Cleveland, Ohio. 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.