APA (7 वां संस्करण) प्रशस्ति पत्र

Library of Congress. Classification Division & Perley, C. W. (1927). Classification: Class B, part II, BL-BX: Religion. Printed as manuscript. U.S. Govt. print. off..

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Library of Congress. Classification Division और Clarence Warner Perley. Classification: Class B, Part II, BL-BX: Religion. Printed as Manuscript. Washington: U.S. Govt. print. off., 1927.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Library of Congress. Classification Division और Clarence Warner Perley. Classification: Class B, Part II, BL-BX: Religion. Printed as Manuscript. U.S. Govt. print. off., 1927.

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