National Research Council (U.S.). Subcommittee on Dog Nutrition & ebrary, Inc. (1985). Nutrient requirements of dogs (Rev. 1985.). National Academy Press.
Dyfyniad Arddull ChicagoNational Research Council (U.S.). Subcommittee on Dog Nutrition and Inc ebrary. Nutrient Requirements of Dogs. Rev. 1985. Washington, D.C.: National Academy Press, 1985.
Dyfyniad MLANational Research Council (U.S.). Subcommittee on Dog Nutrition and Inc ebrary. Nutrient Requirements of Dogs. Rev. 1985. National Academy Press, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.