Não informado. (1950). Biennial Report. Department of Fish and Game.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Biennial Report. Sacramento, Calif: Department of Fish and Game, 1950.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Biennial Report. Department of Fish and Game, 1950.
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