Hartmann, B., & Hartmann, B. (2005). Making threats: Biofears and environmental anxieties. Rowman & Littlefield Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHartmann, Betsy, और Betsy;Subramaniam Hartmann. Making Threats: Biofears and Environmental Anxieties. Rowman & Littlefield Publishers, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHartmann, Betsy, और Betsy;Subramaniam Hartmann. Making Threats: Biofears and Environmental Anxieties. Rowman & Littlefield Publishers, 2005.
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