Roberts, B. Speaking out: establishing a disaster prevention, response plan: An international perspective and assesment.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRoberts, Barbara. Speaking Out: Establishing a Disaster Prevention, Response Plan: An International Perspective and Assesment.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRoberts, Barbara. Speaking Out: Establishing a Disaster Prevention, Response Plan: An International Perspective and Assesment.
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