National research council Board of Agriculture. (1988). Nutrient requirements of swine (10.). National Academy press.
استشهاد بنمط شيكاغوNational research council Board of Agriculture. Nutrient Requirements of Swine. 10. National Academy press, 1988.
MLA استشهادNational research council Board of Agriculture. Nutrient Requirements of Swine. 10. National Academy press, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.