American Academy of Political and Social Science, Philadelphia, & Smith, D. W. e. (1957). Disasters and disaster relief. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmerican Academy of Political and Social Science, Philadelphia, और De Witt ed Smith. Disasters and Disaster Relief. Philadelphia: s.n, 1957.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmerican Academy of Political and Social Science, Philadelphia, और De Witt ed Smith. Disasters and Disaster Relief. s.n, 1957.
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