University of the Witwatersrand. Library & Cunningham, A. M. (1976). The Schoch family papers. Library, University of the Witwatersrand.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity of the Witwatersrand. Library और Anna M. Cunningham. The Schoch Family Papers. Johannesburg: Library, University of the Witwatersrand, 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUniversity of the Witwatersrand. Library और Anna M. Cunningham. The Schoch Family Papers. Library, University of the Witwatersrand, 1976.
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