William G Walter. (1967). Standard Methods for the Exanination of Dairy Products. New York: American Public Health Association, Inc.
Dyfyniad Arddull ChicagoWilliam G Walter. Standard Methods for the Exanination of Dairy Products. New York: American Public Health Association, Inc, 1967.
Dyfyniad MLAWilliam G Walter. Standard Methods for the Exanination of Dairy Products. New York: American Public Health Association, Inc, 1967.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.