Hart. In Him Was Life. Baylor University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHart. In Him Was Life. Baylor University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHart. In Him Was Life. Baylor University Press.
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