Não informado. West Virginia Agriculture and Forestry. University of West Virginia, College of Agriculture and Forestry.
Style de citation Chicago (17e éd.)Não informado. West Virginia Agriculture and Forestry. Morgantown, Wa. Va: University of West Virginia, College of Agriculture and Forestry.
Style de citation MLA (8e éd.)Não informado. West Virginia Agriculture and Forestry. University of West Virginia, College of Agriculture and Forestry.
Attention : ces citations peuvent ne pas être correctes à 100%.