APA (7 वां संस्करण) प्रशस्ति पत्र

North Carolina. University. Graduate School. Research in progress. 1918. s. n.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

North Carolina. University. Graduate School. Research in Progress. 1918. Chapel Hill: s. n.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

North Carolina. University. Graduate School. Research in Progress. 1918. s. n.

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