Twigg, J. (2004). Disaster risk reduction: Mitigation and preparedness in development and emergency programming. Humanitarian Practice Network (HPN), Overseas Development Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTwigg, John. Disaster Risk Reduction: Mitigation and Preparedness in Development and Emergency Programming. London: Humanitarian Practice Network (HPN), Overseas Development Institute, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTwigg, John. Disaster Risk Reduction: Mitigation and Preparedness in Development and Emergency Programming. Humanitarian Practice Network (HPN), Overseas Development Institute, 2004.
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