Não informado. (1975). Journal of Historical Studies. American University, Department of History.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Historical Studies. Washington: American University, Department of History, 1975.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Historical Studies. American University, Department of History, 1975.
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