Não informado. (2012). Memoir. Department of Mines and Technical Surveys, Geographical Branch.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Memoir. Ottawa: Department of Mines and Technical Surveys, Geographical Branch, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Memoir. Department of Mines and Technical Surveys, Geographical Branch, 2012.
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