Porter, P. W. (1979). Food and development in the semi-arid zone of east Africa. Maxwell School of Citizenship and Public Affairs, Syracuse University.
Citace podle Chicago (17th ed.)Porter, Philip Wayland. Food and Development in the Semi-arid Zone of East Africa. Princeton, [N.J.]: Maxwell School of Citizenship and Public Affairs, Syracuse University, 1979.
Citace podle MLA (8th ed.)Porter, Philip Wayland. Food and Development in the Semi-arid Zone of East Africa. Maxwell School of Citizenship and Public Affairs, Syracuse University, 1979.
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