Kmietowicz, Z. (2002). Half as many animals used in medical research as 20 years ago. BMJ Publishing Group Ltd.
استشهاد بنمط شيكاغوKmietowicz, Zosia. Half As Many Animals Used in Medical Research As 20 Years Ago. BMJ Publishing Group Ltd, 2002.
MLA استشهادKmietowicz, Zosia. Half As Many Animals Used in Medical Research As 20 Years Ago. BMJ Publishing Group Ltd, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.