Eugene, E., M. (1970). Swine science. Danville, Ill: Interstate Printers & Publishers.
Dyfyniad Arddull ChicagoEugene, Ensminger, M. Swine Science. Danville, Ill: Interstate Printers & Publishers, 1970.
Dyfyniad MLAEugene, Ensminger, M. Swine Science. Danville, Ill: Interstate Printers & Publishers, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.