Berg, J. C. T. v. d. (1990). Strategy for dairy development in the tropics and subtropics. Netherlands: Pudoc Wageningen.
Dyfyniad Arddull ChicagoBerg, J. C. T. van den. Strategy for Dairy Development in the Tropics and Subtropics. Netherlands: Pudoc Wageningen, 1990.
Dyfyniad MLABerg, J. C. T. van den. Strategy for Dairy Development in the Tropics and Subtropics. Netherlands: Pudoc Wageningen, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.