National Research Council (U.S.). Committee on Rangeland Classification. (1994). Rangeland health: New methods to classify, inventory, and monitor rangelands. National Academy Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)National Research Council (U.S.). Committee on Rangeland Classification. Rangeland Health: New Methods to Classify, Inventory, and Monitor Rangelands. Washington, D.C.: National Academy Press, 1994.
MLA -ийн эшлэл (9 дэх хэвлэлт)National Research Council (U.S.). Committee on Rangeland Classification. Rangeland Health: New Methods to Classify, Inventory, and Monitor Rangelands. National Academy Press, 1994.
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