National Research Council (Estados Unidos). Subcommittee on Horse Nutrition, & National Research Council (Estados Unidos). Subcommittee on Horse Nutrition. (1973). Nutrient requirements of horses (3. rev. edition.). Washington: National Academy of Sciences.
Citación estilo ChicagoNational Research Council (Estados Unidos). Subcommittee on Horse Nutrition, y National Research Council (Estados Unidos). Subcommittee on Horse Nutrition. Nutrient Requirements of Horses. 3. rev. edition. Washington: National Academy of Sciences, 1973.
Cita MLANational Research Council (Estados Unidos). Subcommittee on Horse Nutrition, y National Research Council (Estados Unidos). Subcommittee on Horse Nutrition. Nutrient Requirements of Horses. 3. rev. edition. Washington: National Academy of Sciences, 1973.