توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

National Research Council (U.S.). Subcommittee on Goat Nutrition. (1981). Nutrient requirements of goats: Angora, dairy, and meat goats in temperate and tropical countries. National Academy Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

National Research Council (U.S.). Subcommittee on Goat Nutrition. Nutrient Requirements of Goats: Angora, Dairy, and Meat Goats in Temperate and Tropical Countries. Washington, D.C.: National Academy Press, 1981.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

National Research Council (U.S.). Subcommittee on Goat Nutrition. Nutrient Requirements of Goats: Angora, Dairy, and Meat Goats in Temperate and Tropical Countries. National Academy Press, 1981.