(1953). Loose housing for daily cattle. Washington D.C.: U.S. Department of Agriculture. Goverment Printing Office.
Dyfyniad Arddull ChicagoLoose Housing for Daily Cattle. Washington D.C.: U.S. Department of Agriculture. Goverment Printing Office, 1953.
Dyfyniad MLALoose Housing for Daily Cattle. Washington D.C.: U.S. Department of Agriculture. Goverment Printing Office, 1953.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.