Walker, R. (1941). Famine over Europe: The problem of controlled food relief. Andrew Dakers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalker, Roy. Famine over Europe: The Problem of Controlled Food Relief. London: Andrew Dakers, 1941.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWalker, Roy. Famine over Europe: The Problem of Controlled Food Relief. Andrew Dakers, 1941.
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