Gregg, S. M. (2010). Managing the mountains: Land use planning, the New Deal, and the creation of a federal landscape in Appalachia. Yale University Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Gregg, Sara M. Managing the Mountains: Land Use Planning, the New Deal, and the Creation of a Federal Landscape in Appalachia. New Haven: Yale University Press, 2010.
Παραπομπή σε μορφή MLA (9th εκδ.)Gregg, Sara M. Managing the Mountains: Land Use Planning, the New Deal, and the Creation of a Federal Landscape in Appalachia. Yale University Press, 2010.
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