Não informado. (2001). Bulletin of the Mineral Research and Exploration. Mineral Research and Exploration Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the Mineral Research and Exploration. Ankara: Mineral Research and Exploration Institute, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Bulletin of the Mineral Research and Exploration. Mineral Research and Exploration Institute, 2001.
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