Cita APA

National Research Council (Estados Unidos). Subcommittee on Sheep Nutrition, & National Research Council (Estados Unidos). Subcommittee on Sheep Nutrition. (1975). Nutrient requirements of sheep (5. rev. edition.). Washington: National Academy of Sciences.

Citación estilo Chicago

National Research Council (Estados Unidos). Subcommittee on Sheep Nutrition, y National Research Council (Estados Unidos). Subcommittee on Sheep Nutrition. Nutrient Requirements of Sheep. 5. rev. edition. Washington: National Academy of Sciences, 1975.

Cita MLA

National Research Council (Estados Unidos). Subcommittee on Sheep Nutrition, y National Research Council (Estados Unidos). Subcommittee on Sheep Nutrition. Nutrient Requirements of Sheep. 5. rev. edition. Washington: National Academy of Sciences, 1975.