Schenck, R. L. (2018). Costly grace: An evangelical minister's rediscovery of faith, hope and love (First edition.). Harper, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchenck, Robert L. Costly Grace: An Evangelical Minister's Rediscovery of Faith, Hope and Love. First edition. New York, NY: Harper, an imprint of HarperCollinsPublishers, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchenck, Robert L. Costly Grace: An Evangelical Minister's Rediscovery of Faith, Hope and Love. First edition. Harper, an imprint of HarperCollinsPublishers, 2018.
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