Simmons, R. (2014). Success through stillness: Meditation made simple.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSimmons, Russell. Success Through Stillness: Meditation Made Simple. 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSimmons, Russell. Success Through Stillness: Meditation Made Simple. 2014.
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