Não informado. West Virginia Agriculture and Forestry. University of West Virginia, College of Agriculture and Forestry.
Chicagoスタイル(17版)引用形式Não informado. West Virginia Agriculture and Forestry. Morgantown, Wa. Va: University of West Virginia, College of Agriculture and Forestry.
MLA(8版)引用形式Não informado. West Virginia Agriculture and Forestry. University of West Virginia, College of Agriculture and Forestry.
警告: この引用は必ずしも正確ではありません.