Não informado. (2001). Bio-dynamics. Bio-Dynamic Farming and Gardening Association.
Style de citation Chicago (17e éd.)Não informado. Bio-dynamics. Phoenixville, Pa: Bio-Dynamic Farming and Gardening Association, 2001.
Style de citation MLA (8e éd.)Não informado. Bio-dynamics. Bio-Dynamic Farming and Gardening Association, 2001.
Attention : ces citations peuvent ne pas être correctes à 100%.