APA (7 वां संस्करण) प्रशस्ति पत्र
National Science Foundation (U.S.), American Institute of Aeronautics and Astronautics, ebrary, Inc, Hazelrigg, G. A., & Reynolds, J. M. (1986). Opportunities for academic research in a low-gravity environment. American Institute of Aeronautics and Astronautics, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
National Science Foundation (U.S.), American Institute of Aeronautics and Astronautics, Inc ebrary, George A. Hazelrigg, और Joseph M. Reynolds. Opportunities for Academic Research in a Low-gravity Environment. New York, N.Y.: American Institute of Aeronautics and Astronautics, Inc., 1986.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
National Science Foundation (U.S.), et al. Opportunities for Academic Research in a Low-gravity Environment. American Institute of Aeronautics and Astronautics, Inc., 1986.
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