Earl, M. N., & Harban, S. (1972). Livestock and poultry production. Prentice- Hall of India.
Dyfyniad Arddull ChicagoEarl, Moore N., and Singh Harban. Livestock and Poultry Production. New Delhi: Prentice- Hall of India, 1972.
Dyfyniad MLAEarl, Moore N., and Singh Harban. Livestock and Poultry Production. Prentice- Hall of India, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.