Não informado. (2003). Reports on Polar and Marine Research. Alfred Wegener Institute for Polar and Marine Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Reports on Polar and Marine Research. Bremen, Alemanha: Alfred Wegener Institute for Polar and Marine Research, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Reports on Polar and Marine Research. Alfred Wegener Institute for Polar and Marine Research, 2003.
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