Osteen, J. (2011). Every day a Friday: How to be happier 7 days a week. FaithWords.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOsteen, Joel. Every Day a Friday: How to Be Happier 7 Days a Week. New York: FaithWords, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOsteen, Joel. Every Day a Friday: How to Be Happier 7 Days a Week. FaithWords, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.