Keyser, L. S. (1953). A system of christian evidence (10th ed.). Lutheran literary board.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKeyser, Leander S. A System of Christian Evidence. 10th ed. Burlington: Lutheran literary board, 1953.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKeyser, Leander S. A System of Christian Evidence. 10th ed. Lutheran literary board, 1953.
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