Não informado. (2013). Journal of the Air & Waste Management Association. Air & Waste Management Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Air & Waste Management Association. Pittsburgh, Pa: Air & Waste Management Association, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Air & Waste Management Association. Air & Waste Management Association, 2013.
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