Clark, A. M. (1893). What are we doing for non-Catholics? Catholic Book Exchange.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रClark, Arthur M. What Are We Doing for Non-Catholics? New York: Catholic Book Exchange, 1893.
एमएलए (8वां संस्करण) प्रशस्ति पत्रClark, Arthur M. What Are We Doing for Non-Catholics? Catholic Book Exchange, 1893.
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