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.
芝加哥风格引文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.
MLA引文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.
警告：这些引文格式不一定是100％准确.