Appleby, P., Crowe, F., Bradbury, K., Travis, R., & Key, T. (2016). Mortality in vegetarians and comparable nonvegetarians in the United Kingdom. American Society for Nutrition.
Čikaški stil citiranja (17. izdanje)Appleby, P., F. Crowe, K. Bradbury, R. Travis, i T. Key. Mortality in Vegetarians and Comparable Nonvegetarians in the United Kingdom. American Society for Nutrition, 2016.
MLA način citiranja (9. izdanje)Appleby, P., et al. Mortality in Vegetarians and Comparable Nonvegetarians in the United Kingdom. American Society for Nutrition, 2016.
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