Hildreth, C., & Jarret, F. (1955). Statistical study of livestock production and marketing. John Wiley.
Dyfyniad Arddull ChicagoHildreth, Clifford, and F.G Jarret. Statistical Study of Livestock Production and Marketing. New York: John Wiley, 1955.
Dyfyniad MLAHildreth, Clifford, and F.G Jarret. Statistical Study of Livestock Production and Marketing. John Wiley, 1955.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.