HOPPENSTEDT, K. F. «Animal Health and Welfare Measures in the EU». Journal of the Hellenic Veterinary Medical Society 60, no. 2 (ноябрь 20, 2017): 121–124. просмотрено октябрь 19, 2024. https://ejournals.epublishing.ekt.gr/index.php/jhvms/article/view/14920.