Hamilton, W. J. American Mammals: Their Lives, Habits and Economic Relations. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoHamilton, W. J. American Mammals: Their Lives, Habits and Economic Relations. New York: McGraw-Hill.
Dyfyniad MLAHamilton, W. J. American Mammals: Their Lives, Habits and Economic Relations. New York: McGraw-Hill.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.