Sturm, R. A. (1955). Youngstown District Methodism. Division of National Missions, Methodist Church.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSturm, Roy A. Youngstown District Methodism. New York: Division of National Missions, Methodist Church, 1955.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSturm, Roy A. Youngstown District Methodism. Division of National Missions, Methodist Church, 1955.
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