Não informado. (2012). Human and Ecological Risk Assessment. Amherst Scientific Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Human and Ecological Risk Assessment. Amherst, Mass: Amherst Scientific Publishers, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Human and Ecological Risk Assessment. Amherst Scientific Publishers, 2012.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.