Dyfyniad APA

Bio-dynamic Farming and Gardening Association. (1941). Bio-dynamics. Bio-Dynamic Farming and Gardening Association.

Dyfyniad Arddull Chicago

Bio-dynamic Farming and Gardening Association. Bio-dynamics. Phoenixville, Pa.: Bio-Dynamic Farming and Gardening Association, 1941.

Dyfyniad MLA

Bio-dynamic Farming and Gardening Association. Bio-dynamics. Bio-Dynamic Farming and Gardening Association, 1941.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.