United States Department of Agriculture, A. R. S. (1965). Post-Harvest science and technology. Washington: The Service.
Dyfyniad Arddull ChicagoUnited States Department of Agriculture, Agricultural Research Service. Post-Harvest Science and Technology. Washington: The Service, 1965.
Dyfyniad MLAUnited States Department of Agriculture, Agricultural Research Service. Post-Harvest Science and Technology. Washington: The Service, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.