National Research Council (Estados Unidos). Subcommittee on Beef Cattle Nutrition. (1996). Nutrient requirements of beef cattle (9. edition rev.). Washington, D.C.: National Academic Press.
Chicago Style CitationNational Research Council (Estados Unidos). Subcommittee on Beef Cattle Nutrition. Nutrient Requirements of Beef Cattle. 9. edition rev. Washington, D.C.: National Academic Press, 1996.
MLA CitationNational Research Council (Estados Unidos). Subcommittee on Beef Cattle Nutrition. Nutrient Requirements of Beef Cattle. 9. edition rev. Washington, D.C.: National Academic Press, 1996.
Warning: These citations may not always be 100% accurate.