Não informado. (1941). Alabama conservation. Department of Conservation and Natural Resources.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Alabama Conservation. Montgomery, Ala: Department of Conservation and Natural Resources, 1941.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Alabama Conservation. Department of Conservation and Natural Resources, 1941.
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