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.
Citación estilo ChicagoNational Research Council (Estados Unidos). Subcommittee on Beef Cattle Nutrition. Nutrient Requirements of Beef Cattle. 9. edition rev. Washington, D.C.: National Academic Press, 1996.
Cita MLANational Research Council (Estados Unidos). Subcommittee on Beef Cattle Nutrition. Nutrient Requirements of Beef Cattle. 9. edition rev. Washington, D.C.: National Academic Press, 1996.
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