Não informado. (1937). Plant inventory. Bureau of Plant Industry, Soils and Agricultural Engineering.
Style de citation Chicago (17e éd.)Não informado. Plant Inventory. Washington: Bureau of Plant Industry, Soils and Agricultural Engineering, 1937.
Style de citation MLA (8e éd.)Não informado. Plant Inventory. Bureau of Plant Industry, Soils and Agricultural Engineering, 1937.
Attention : ces citations peuvent ne pas être correctes à 100%.