Kuhn, A. (2017). Brain fitness: The easy way of keeping your mind sharp through qigong movements. YMAA Publication Center.
Cita Chicago Style (17a ed.)Kuhn, Aihan. Brain Fitness: The Easy Way of Keeping Your Mind Sharp Through Qigong Movements. Wolfeboro, NH USA: YMAA Publication Center, 2017.
Cita MLA (8a ed.)Kuhn, Aihan. Brain Fitness: The Easy Way of Keeping Your Mind Sharp Through Qigong Movements. YMAA Publication Center, 2017.
Precaución: Estas citas no son 100% exactas.