Osteen, J. (2021). Peaceful on purpose: The power to remain calm, strong, and confident in every season : study guide. FaithWords.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOsteen, Joel. Peaceful on Purpose: The Power to Remain Calm, Strong, and Confident in Every Season : Study Guide. New York: FaithWords, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOsteen, Joel. Peaceful on Purpose: The Power to Remain Calm, Strong, and Confident in Every Season : Study Guide. FaithWords, 2021.
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