Hersey, B. (2014). The practice of nada yoga: Meditation on the inner sacred sound. Inner Traditions.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHersey, Baird. The Practice of Nada Yoga: Meditation on the Inner Sacred Sound. Rochester, Vermont: Inner Traditions, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHersey, Baird. The Practice of Nada Yoga: Meditation on the Inner Sacred Sound. Inner Traditions, 2014.
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