Barker, L. V. (1934). Lay leadership in Protestant churches. Association press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBarker, Leo Vaughn. Lay Leadership in Protestant Churches. New York: Association press, 1934.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBarker, Leo Vaughn. Lay Leadership in Protestant Churches. Association press, 1934.
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