Kuhn, A. (2017). Brain fitness: The easy way of keeping your mind sharp through qigong movements. YMAA Publication Center.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKuhn, Aihan. Brain Fitness: The Easy Way of Keeping Your Mind Sharp Through Qigong Movements. Wolfeboro, NH USA: YMAA Publication Center, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKuhn, Aihan. Brain Fitness: The Easy Way of Keeping Your Mind Sharp Through Qigong Movements. YMAA Publication Center, 2017.
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