Main, E. D. (1963). Participation in protestant churches. Illinois Council of Churches.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMain, Earl D. Participation in Protestant Churches. Chicago: Illinois Council of Churches, 1963.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMain, Earl D. Participation in Protestant Churches. Illinois Council of Churches, 1963.
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