Chittister, J. (2008). The gift of years: Growing older gracefully. BlueBridge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChittister, Joan. The Gift of Years: Growing Older Gracefully. New York, NY: BlueBridge, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रChittister, Joan. The Gift of Years: Growing Older Gracefully. BlueBridge, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.