Dalal-Clayton, B. (2001). Knowledge of the land: Land resources information and its use in rural development. Oxford: Oxford University Press.
Chicago-tyylinen lähdeviittausDalal-Clayton, Barry. Knowledge of the Land: Land Resources Information and Its Use in Rural Development. Oxford: Oxford University Press, 2001.
MLA-viiteDalal-Clayton, Barry. Knowledge of the Land: Land Resources Information and Its Use in Rural Development. Oxford: Oxford University Press, 2001.
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