APA (7 वां संस्करण) प्रशस्ति पत्र
Bielawa, R. L. (2006). Rotary wing structural dynamics and aeroelasticity (2nd ed.). American Institute of Aeronautics and Astronautics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Bielawa, Richard L. Rotary Wing Structural Dynamics and Aeroelasticity. 2nd ed. Reston, Va.: American Institute of Aeronautics and Astronautics, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Bielawa, Richard L. Rotary Wing Structural Dynamics and Aeroelasticity. 2nd ed. American Institute of Aeronautics and Astronautics, 2006.
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