Peterson, T. (2015). Steadfast heart. Bethany House, A division of Baker Publishing Group.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPeterson, Tracie. Steadfast Heart. Minneapolis, Minnesota: Bethany House, A division of Baker Publishing Group, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPeterson, Tracie. Steadfast Heart. Bethany House, A division of Baker Publishing Group, 2015.
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