Não informado. (2000). Experiment station record. U.S. Department of Agriculture.
Style de citation Chicago (17e éd.)Não informado. Experiment Station Record. Washington: U.S. Department of Agriculture, 2000.
Style de citation MLA (8e éd.)Não informado. Experiment Station Record. U.S. Department of Agriculture, 2000.
Attention : ces citations peuvent ne pas être correctes à 100%.