Singer, H. W., Wood, J. B., & Jennings, A. (1987). Food aid: The challenge and the opportunity. Clarendon Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSinger, H. W., John B. Wood, और Anthony Jennings. Food Aid: The Challenge and the Opportunity. Oxford: Clarendon Press, 1987.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSinger, H. W., et al. Food Aid: The Challenge and the Opportunity. Clarendon Press, 1987.
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