Spitzer, R. J. (2015). Finding true happiness: Satisfying our restless hearts. Ignatius Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpitzer, Robert J. Finding True Happiness: Satisfying Our Restless Hearts. San Francisco: Ignatius Press, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpitzer, Robert J. Finding True Happiness: Satisfying Our Restless Hearts. Ignatius Press, 2015.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.