D C Blood. (1989). Veterinary medicine: Text book of the diseases of cattle, sheep, pigs, goats and horses (7.). E L B S.
استشهاد بنمط شيكاغوD C Blood. Veterinary Medicine: Text Book of the Diseases of Cattle, Sheep, Pigs, Goats and Horses. 7. E L B S, 1989.
MLA استشهادD C Blood. Veterinary Medicine: Text Book of the Diseases of Cattle, Sheep, Pigs, Goats and Horses. 7. E L B S, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.