APA (7e ed.) Bronvermelding

Não informado. (2001). Bio-dynamics. Bio-Dynamic Farming and Gardening Association.

Chicago (17e ed.) Bronvermelding

Não informado. Bio-dynamics. Phoenixville, Pa: Bio-Dynamic Farming and Gardening Association, 2001.

MLA (8e ed.) Bronvermelding

Não informado. Bio-dynamics. Bio-Dynamic Farming and Gardening Association, 2001.

Let op: Deze citaties zijn niet altijd 100% accuraat.