Payne, M. (2008). Lead in drinking water. Canadian Medical Association.
استشهاد بنمط شيكاغوPayne, Mark. Lead in Drinking Water. Canadian Medical Association, 2008.
MLA استشهادPayne, Mark. Lead in Drinking Water. Canadian Medical Association, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.