Dyfyniad APA
ebrary, Inc. (1994). Rangeland health: New methods to classify, inventory, and monitor rangelands. National Academy Press.
Dyfyniad Arddull Chicago
ebrary, Inc. Rangeland Health: New Methods to Classify, Inventory, and Monitor Rangelands. Washington, D.C.: National Academy Press, 1994.
Dyfyniad MLA
ebrary, Inc. Rangeland Health: New Methods to Classify, Inventory, and Monitor Rangelands. National Academy Press, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.