Osteen, J. (2015). The power of i am: Two words that will change your life today.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOsteen, Joel. The Power of I Am: Two Words That Will Change Your Life Today. 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOsteen, Joel. The Power of I Am: Two Words That Will Change Your Life Today. 2015.
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