Singh, K. D. (2014). The grace in aging: Awaken as you grow older. Wisdom Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingh, Kathleen Dowling. The Grace in Aging: Awaken as You Grow Older. Boston: Wisdom Publications, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSingh, Kathleen Dowling. The Grace in Aging: Awaken as You Grow Older. Wisdom Publications, 2014.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.