Schaeffer, F. A. (1968). The God who is there: Speaking historic christianity into the twentieth century. InterVarsity.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchaeffer, Francis A. The God Who Is There: Speaking Historic Christianity into the Twentieth Century. Illinois: InterVarsity, 1968.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSchaeffer, Francis A. The God Who Is There: Speaking Historic Christianity into the Twentieth Century. InterVarsity, 1968.
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