Não informado. (1951). Core Arboretum Bulletin. West Virginia University, Department of Biology.
Style de citation Chicago (17e éd.)Não informado. Core Arboretum Bulletin. Morgantown, Va: West Virginia University, Department of Biology, 1951.
Style de citation MLA (8e éd.)Não informado. Core Arboretum Bulletin. West Virginia University, Department of Biology, 1951.
Attention : ces citations peuvent ne pas être correctes à 100%.