Arvidsson, H. (2001). Wood ash application in spruce stands: Effects on ground vegetation, tree nutrient status and soil chemistry. Swedish University of Agricultural Sciences.
Chicago Style (17th ed.) CitationArvidsson, Helen. Wood Ash Application in Spruce Stands: Effects on Ground Vegetation, Tree Nutrient Status and Soil Chemistry. Uppsala: Swedish University of Agricultural Sciences, 2001.
MLA引文Arvidsson, Helen. Wood Ash Application in Spruce Stands: Effects on Ground Vegetation, Tree Nutrient Status and Soil Chemistry. Swedish University of Agricultural Sciences, 2001.
警告：這些引文格式不一定是100％准確.