Não informado. (2001). Bio-dynamics. Bio-Dynamic Farming and Gardening Association.
Chicagoスタイル(17版)引用形式Não informado. Bio-dynamics. Phoenixville, Pa: Bio-Dynamic Farming and Gardening Association, 2001.
MLA(8版)引用形式Não informado. Bio-dynamics. Bio-Dynamic Farming and Gardening Association, 2001.
警告: この引用は必ずしも正確ではありません.