DENT, D., & YOUNG, A. (1981). Soil survey and land evaluation. Goerge Allen and Unwin.
Chicago Style aipamenaDENT, David, and Anthony YOUNG. Soil Survey and Land Evaluation. London: Goerge Allen and Unwin, 1981.
MLA aipamenaDENT, David, and Anthony YOUNG. Soil Survey and Land Evaluation. Goerge Allen and Unwin, 1981.
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