APA استشهاد

National research council Board of Agriculture. (1988). Nutrient requirements of swine (10.). National Academy press.

استشهاد بنمط شيكاغو

National research council Board of Agriculture. Nutrient Requirements of Swine. 10. National Academy press, 1988.

MLA استشهاد

National research council Board of Agriculture. Nutrient Requirements of Swine. 10. National Academy press, 1988.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.