The Sphere Project & McConnan, I. (2004). Humanitarian charter and minimum standards in disaster response (2004 ed.). Sphere Project.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThe Sphere Project और Isobel McConnan. Humanitarian Charter and Minimum Standards in Disaster Response. 2004 ed. Geneva: Sphere Project, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThe Sphere Project और Isobel McConnan. Humanitarian Charter and Minimum Standards in Disaster Response. 2004 ed. Sphere Project, 2004.
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