Singer, H., Jennings, A., & Wood, J. B. (1987). Food aid: The challenge and the opportunity. Clarendon Press.
Chicago-čujuhus (17. p.)Singer, Hans, Anthony Jennings, juo John B. Wood. Food Aid: The Challenge and the Opportunity. Oxford: Clarendon Press, 1987.
MLA-čujuhus (9. p.)Singer, Hans, et al. Food Aid: The Challenge and the Opportunity. Clarendon Press, 1987.
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