Agwunobi, J. O. (2007). Should the US and Russia destroy their stocks of smallpox virus? BMJ Publishing Group Ltd.
استشهاد بنمط شيكاغوAgwunobi, John O. Should the US and Russia Destroy Their Stocks of Smallpox Virus? BMJ Publishing Group Ltd, 2007.
MLA استشهادAgwunobi, John O. Should the US and Russia Destroy Their Stocks of Smallpox Virus? BMJ Publishing Group Ltd, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.