APA (7e ed.) Bronvermelding

Smith Bob L. & International Academy of Nutrition and Preventive Medicine. Organic foods vs supermarket foods , element levels.

Chicago (17e ed.) Bronvermelding

Smith Bob L. en International Academy of Nutrition and Preventive Medicine. Organic Foods Vs Supermarket Foods , Element Levels.

MLA (9e ed.) Bronvermelding

Smith Bob L. en International Academy of Nutrition and Preventive Medicine. Organic Foods Vs Supermarket Foods , Element Levels.

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