E J Undeerwood. (1971). Trace elements in human and animal nutrition (3rd.). Academic press.
استشهاد بنمط شيكاغوE J Undeerwood. Trace Elements in Human and Animal Nutrition. 3rd. Academic press, 1971.
MLA استشهادE J Undeerwood. Trace Elements in Human and Animal Nutrition. 3rd. Academic press, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.