Não informado. (2007). Fire Management Today. U.S. Department of Agriculture, Forest Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Fire Management Today. Washington: U.S. Department of Agriculture, Forest Service, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Fire Management Today. U.S. Department of Agriculture, Forest Service, 2007.
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